2. Oxidation state of H is +1. +6. For example, the oxidation number of Na + is +1; the oxidation number of N 3-is -3. Carbon is in group 4 or 14, so it has 4 valence electrons. 1(2) = +2. Bromine has an oxidation number of -1. Let examine the other oprions: Br 2 it is Zero. In Na₂S₂O₃, the oxidation number of S is +2. This is because fluorine usually has an oxidation number of -1, and oxygen usually has an oxidation number of -2. Join. The oxidation number (O.N) of potassium is +1. Find the Oxidation Numbers NaOH. 1-oxidation number of oxygen in peroxides. 0 1. a)KBr b)BrF3 c)HBrO3 d)CBr4. Learn vocabulary, terms, and more with flashcards, games, and other study tools. This E-mail is already registered as a Premium Member with us. In S₈, the oxidation number of S is 0. Determine the common oxidation number (charge) for each of the following ions, and then draw their Lewis Dot Structure. Question c)HBr O3 =0. Acids that consist of two elements, usually hydrogen and one of the halogens--fluorine, chlorine, bromine, iodine are called _____. a) -1. b) +3. Kindly login to access the content at no cost. ... what is the oxidation number for hydrogen in compounds containing metals?-1. Helium (watch out!) More Calculate Oxidation Number SolutionsPost your own question here. Our videos prepare you to succeed in your college classes. Selenium in SeF 4 has an oxidation state of +4. What is the mass in grams of each of the following: a. The total negative charge in the three oxygen atoms of a bromate ion is therefore 6. algebraic sum of the oxidation numbers in a formula of a polyatomic ion. BrO4- What is formal charge and oxidation number of Oxygen andBromine? Answer Save. Don’t forget to show brackets and charge on your LDS for ions! N=O-F What is the formal charge of N, O and F? Trending questions. The oxidation number of any free element such as H 2, Br 2, Na, Xe is zero. Answer Save. As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids. Hence Br = +5. If we cancel these out we would have that sulfur … The oxidation number is synonymous with the oxidation state. Click to see full answer Correspondingly, what shape is SeF4? Solution for What is the oxidation number of : MoF6 NH3 CBr4 SO3 Give the oxidation number of bromine in the following: (a) CBr4 (b) BrF5 (c) KBr (d) HBrO, Our Experts can answer your tough homework and study questions. 0 1. The formula for carbon tetrabromide is... Oxyacids, Binary Acids ... are called _____. This E-mail is already registered as a Premium Member with us. Give the oxidation number of bromine in the following: (a) : 977004. "Clutch really helped me by reinforcing the things I learned in class and making exam reviews a breeze. Give the oxidation number of bromine in the following? 4 Answers. d) -1. (Hint: let x = oxidation number of bromine. CBr4 is a neutral molecule. Bromine has an oxidation number of 1. To find the correct oxidation number for Br in BrO3- (the Bromate ion), and each element in the ion, we use a few rules and some simple math. give the oxidation number of bromine in the following:? So usually oxidation number for Oxygen is -2 and hydrogen is +1. So, calculate the oxidation number of bromine (Br) in KBr as follows: Therefore, oxidation number of bromine (Br) in KBr is . 6.5 g H2O b. Oxygen. Gallium Argon WKS 6.2 - LDS for Ions/ Typical Charges. Since is in column of the periodic table, it will share electrons and use an oxidation state of . a) KBr (a compound) =0. A) HBrO4 B) HBrO3 C) BrCl5 D) HBr A) HBrO4 B) HBrO3 C) BrCl5 D) HBr Based on our data, we think this question is relevant for Professor Ventura's class at UCM . Unlimited Access . A carbon-carbon triple bond may be located at any unbranched site within a carbon chain or at the end of a chain, in which case it is called terminal.Because of its linear configuration (the bond angle of a sp-hybridized carbon is 180º), a ten-membered carbon ring is the smallest that can accommodate this function without excessive strain. For those who become managers, they reach a stage in their career progression where they a... Give an orginal concise but thorough answer to the following questions. 4. d) CBr4 = 0. The total negative charge in the three oxygen atoms of a bromate ion is therefore 6. Relevance. In sodium bromide, NaBrO 3, the oxidation state of sodium is 1+, bromide is 5+, and oxygen is 2-. Solution. (+1) +Br +3(-2) = 0 Br = +5 We know that the oxidation state of all atoms in a neutral molecule must add up to zero. Anonymous. 2-usual oxidation number of oxygen in a compound. 0 0. c)HBrO3. Bromine does form so-called interhalogen compounds, e.g #BrF_3#, or even #BrF# (and what is the formal oxidation state of #Br# in these two examples; they are different in each case). Bromine has an oxidation number of 1. Oxygen is -2 in most of its compounds, except in cases If Shipping Paper not available or no answer, refer to appropriate telephone number listed on the inside back cover. The oxidation states in a molecule are important when it comes to understanding the oxidation-reduction reactions that occur in a chemical reaction. In S₈, the oxidation number of S is 0. 5. Bromine Selenium. c) +5. If it has fewer electrons, it tends to give them away and acquires a positive oxidation state. Since is in column of the periodic table, it will share electrons and use an oxidation state of . What is the oxidation number of Br in KBrO4? Cr +3 ( O -2 H +1 ) 3 + Br 0 2 → Cr +6 O … a) CBr4 Oxidation number of C is +4 Also, Oxidation number of C + (4 x Oxidation number of Br) = 0 4 + (4 x Oxidation number of Br) = 0 (4 x Oxidation number of Br) = -4 Oxid view the full answer It is also predominantly exists in +3 and +5 states. In bromine dioxide, or BrO2, it has an oxidation number of +4. In H₂S, the oxidation number of S is -2. Since the oxidation state in the molecule must add up to zero, the oxidation state of bromide can be easily calculated by (2 x 3 – 1). Give the oxidation number of bromine in the following: b) CBr4. We also know here that hydrogen is (+1) and oxygen is (-2). Bromine in group 7 or 17, so it has 7, and we have 4 Bromines. Within the molecule, each bromine has an oxidation number of -1 and the carbon has an oxidation number of +4. Br = +3. Sum of the oxidation state must be equal to Zero , let x be the oxidation state (number) of Br. Cr +3 ( O -2 H +1 ) 3 + Br 0 2 → Cr +6 O -2 4 2- … Cards 19 - 26 will focus on the C₂O₄²â» anion. Youre given H2AsO4-2. Relevance. Find the Oxidation Numbers HBrO Since is in column of the periodic table , it will share electrons and use an oxidation state of . a) CBr4 Oxidation number of C is +4 Also, Oxidation number of C + (4 x Oxidation number of Br) = 0 4 + (4 x Oxidation number of Br) = 0 (4 x Oxidation number of Br) = -4 Oxid view the full answer If it has fewer electrons, it tends to give them away and acquires a positive oxidation state. oxidation numbers given by their charges - Fe 2+, Al 3+, S 2-, N 3-) 3. The usual oxidation number of hydrogen is +1. Solution for How many molecules are in each sample?a. If you forgot your password, you can reset it. 1 Answer. The oxidation number of a monatomic ion equals the charge of the ion. Join Yahoo Answers and get 100 points today. d)CBr4. The oxidation number for arsenic is -3 in arsenides and +3 in arsenates. In H₂S, the oxidation number of S is -2. Every oxygen, .”O”, molecule has a -2 charge, or “oxidation state”. add them up, you get ; When oxygen is part of a peroxide, its oxidation number is -1. undergoes an oxidation its oxidation number increases. It combines with another bromine atom to form Br2 or bromine … Kindly login to access the content at no cost. Favourite answer. 1. But oxidation states of 0 elemental bromine br 2 1 hypobromite bro 3 bromite bro 2 5 bromate bro 3 and 7 perbromate bro 4 are also known. Kindly login to access the content at no cost. Since it is in group 17, it has seven valence electrons. 7. Join Yahoo Answers and get 100 points today. Oxidation number (also called oxidation state) is a measure of the degree of oxidation of an atom in a substance (see: Rules for assigning oxidation numbers). a)KBr b)BrF3 c)HBrO3 d)CBr4. In H₂SO₃, the oxidation number of S is +4. Let us help you simplify your studying. Oxidation number of Bromine is +1 in HBrO ( Option C is the answer) calculation: oxidation state of O is -2. As a result of oxidation of PNVC by bromine which occurs in the interval 260-300 K a very weak band forms at 15,000 cm - 1. bromine. 5 (1 Ratings ) Solved. Get your answers by asking now. The bromine, on the other hand, has lost an electron or become oxidized, so it now has an oxidation number of 0. Assign an oxidation number of -2 to oxygen (with exceptions). Problem: In which compound does bromine have the HIGHEST oxidation state? Find the Oxidation Numbers HBr. Relevance. Ask Question + 100. Different ways of displaying oxidation numbers of ethanol and acetic acid. Its shape in the gaseous phase is similar to that of SF 4, having a see-saw shape.VSEPR theory predicts a pseudo-trigonal pyramidal disposition of the five electron pairs around the selenium atom. Ask Question + 100. For example, In H₂SO₄, the oxidation number of S is +6. Yellow arsenic is most … C₂O₄²â» How many oxygen atoms are in the anion? Our videos will help you understand concepts, solve your homework, and do great on your exams. +4 We start of by giving the oxidation number for hydrogen and oxygen, since we know these already. In H₂SO₃, the oxidation number of S is +4. The bromine atom in bromine fluoride, or BrF, has an oxidation number of +1. Bromine has an oxidation number of 1. The oxidation state is a direct measure of the number of valence electrons in the outer shell of an atom. Every atom wants its outer shell to be a complete 8. N is more electronegative than Br, so the electrons they share between them "belongs" to N Br + 3 (-1) = 0. Get answers by asking now. It wants to have eight, so it will gain an electron. Question: Give the oxidation number of bromine in the following: (a) CBr{eq}_4{/eq} (b) BrF{eq}_5{/eq} (c) KBr (d) HBrO. The oxygen atom in most compounds has an oxidation state of 2- and Group 1 metals, such as sodium, have an oxidation state of 1+. 1 + Br + 3(-2) = 0. Get your answers by asking now. Its oxidation number is 0. This Question has Been Answered! Transcript: This is the CBr4 Lewis structure: Carbon Tetrabromide. How many atoms are in 7.50 mol of PbCl2? Favorite Answer. and read the part on "Calculation of formal oxidation states with a Lewis structure" 1. Every atom wants its outer shell to be a complete 8. Nitrogen Barium Chlorine. Since is in column of the periodic table, it will share electrons and use an oxidation state of . 2+ oxidation number of oxygen with fluorine. 8. The oxidation number of a free element is always 0. There are a few exceptions to this rule: When oxygen is in its elemental state (O 2), its oxidation number is 0, as is the case for all elemental atoms. Oxidation number (also called oxidation state) is a measure of the degree of oxidation of an atom in a substance (see: Rules for assigning oxidation numbers). Answer to: Give the oxidation number of bromine in the following: b) CBr4 Here are the following questions. 9. This E-mail is already registered as a Premium Member with us. Favorite Answer. The oxidation number of sulfur depends on the compound it is in. The oxidation state is a direct measure of the number of valence electrons in the outer shell of an atom. C₂O₄²â» What is the oxidation number of oxygen?-2. These values hardly change (unless we are talking peroxide). a) KBr. Since is in column of the periodic table, it will share electrons and use an oxidation state of . Answer Save. But oxidation states of 0 elemental bromine br 2 1 hypobromite bro 3 bromite bro 2 5 bromate bro 3 and 7 perbromate bro 4 are also known. b) BrF3. Adam C. 1 decade ago. oxidation number of hydrogen in a hydride with an active metal. So 4 plus 28 equals 32 total valence electrons. Give the oxidation number of bromine in the following? Still have questions? In Na₂S₂O₃, the oxidation number of S is +2. This strategy provides an efficient and practical approach for the synthesis of bromine containing isoquino Synthetic methodology in OBC I went to a Thanksgiving dinner with over 100 guests. a) -1. b) +3. Kindly login to … A chlorine that has gained an electron has a negative 1 charge and an oxidation number of -1, so it has become reduced or gained electrons. If it weren't for Clutch Prep, I would have definitely failed the class.". Figure 1. Adam C. 1 decade ago. HBr it is -1 as H is +1. d) -1. In almost all cases, oxygen atoms have oxidation numbers of -2. Fluorine is always -1 in its compounds. 8. 1 + x - 2 = 0) +1. The oxidation number of each atom can be calculated by subtracting the sum of lone pairs and electrons it gains from bonds from the number of valence electrons. Trending questions. Find the percent composition of Fe2(CO3)3. Clutch Prep is not sponsored or endorsed by any college or university. Question : Question Give the oxidation number of bromine in the following: ... Give the oxidation number of bromine in the following: KBr HBrO2 BrF CBr4. Since it is in group 17, it has seven valence electrons. 389 g CBr4 c. 22.1 g O2 d. 19.3 g C8H10 The oxidation number of an element in a monatomic ion is the charge of the ion. A simple cumene (isopropylbenzene, IPB) promoted auto-oxidation involved tandem radical cyclization of N-methacryloyl benzamides using stable and easy-to-handle CBr4 as the bromine source is described. valency) in its ionic compounds as the bromide anion, but it does not do so exclusively. CBr4 = bromine has an oxidation number of +4. ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions. Join Yahoo Answers and get 100 points today. 1 decade ago. q1.This question involves the staffing during project planning. 1 + x – 2 = 0. x = +1. c) +5. The common oxidation state of Arsenic (As) is +3. This is the full list of oxidation states for this molecule. So we have 2 hydrogen which each has a charge of +1, and we have 3 oxygen which each has a charge of -2. Since is in column of the periodic table , it will share electrons and use an oxidation … equal to the charge of the ion. Bonds between atoms of the same element (homonuclear bonds) are always divided equally. As a halogen, bromine commonly exhibits a #-I# oxidation state (i.e. If you are having trouble with Chemistry, Organic, Physics, Calculus, or Statistics, we got your back! 1.80 x 1026 atoms of Zn c. 2.5 moles of CaCO3 . 1 Answer. Therefore, the oxidation number of the sodium ion, Na+, is+1 while the oxidation number of the chloride ion, Cl-, is -1. or, K+ Br = 0 +1 + Br = 0. Still have questions? Log in; Register; Help; Take a Tour; Sign up for a free trial; Subscribe Bromine has an oxidation number of 1. Addition by Electrophilic Reagents. Halogens are usually -1, except when a central atom or when combined with a more electronegative element (e.g., assign I as -1 in NI 3, but +3 in ICl 3). For example, In H₂SO₄, the oxidation number of S is +6. Draw Lewis structures and predict the molecular geometry of each: a)CBr4 b. BI3 c. NH3 d. SO4-2 e. CO2 f. N2. Which element has a well known oxidation number? for Oxygen -2(4) = -8. for hydrogen . Chemistry 1 Year Ago 9 Views. User Account. Determining oxidation numbers from the Lewis structure (Figure 1a) is even easier than deducing it from the molecular formula (Figure 1b). It wants to have eight, so it will gain an electron. (a) +6 (b) +7 (c) +5 (d) +8. This E-mail is already registered with us. The element is used to harden the alloys, especially in lead and copper. The oxidation number of each atom can be calculated by subtracting the sum of lone pairs and electrons it gains from bonds from the number of valence electrons. Chapter 4, Problem 65P is solved. 3.20 mol Al2O3 b. Start studying Chemistry Chapter 7 review. Write the reaction at anode and cathode and the net cell reaction in the cells. Bromine has an oxidation number of -1. Hence Br = -1. b) Br F3 = 0. Ask question + 100. Next Question . Your company makes apps for the smartphone/tablet market. View Solution. Still have questions? ScholarOn, 10685-B Hazelhurst Dr. # 25977, Houston, TX 77043,USA. CBr4. What is the oxidation number of bromine in the HBrO molecule A 2 B 0 C 1 D 1 E from CHEMISTRY 203 at Creighton University Give the oxidation number of bromine in the following: (a), Question The atoms in He and N 2, for example, have oxidation numbers of 0. The oxidation number of bromine in the BrO − 3 3 − - ion is +5. The oxidation state, sometimes referred to as oxidation number, describes the degree of oxidation (loss of electrons) of an atom in a chemical compound.Conceptually, the oxidation state, which may be positive, negative or zero, is the hypothetical charge that an atom would have if all bonds to atoms of different elements were 100% ionic, with no covalent component. In Na₂S₂O₆, the oxidation number of S is +5. 4. Find an answer to your question “What is the oxidation number of bromine in the HBr molecule? Consider and discuss the specific risks and nature of the company you will be auditing and... Curly's Life Insurance Co. is trying to sell you an investment policy that will pa... Creativity is the most important human resource of all. To find this number, we first identify the charge of ion which is 1- (Note:... See full answer below. The oxidation number of sulfur depends on the compound it is in. In Na₂S₂O₆, the oxidation number of S is +5. Previous Question. 7 review ( 4 ) = -8. for hydrogen in compounds containing metals? -1 talking peroxide.. Will gain an electron = -8. for hydrogen in compounds containing metals? -1 of Zn c. 2.5 moles CaCO3. See full answer below, I would have that sulfur … the oxidation number of a free is... Lewis structure: carbon Tetrabromide is... Oxyacids, Binary Acids... are called _____ +1 ) and is... ”, molecule has a -2 charge, or Statistics what is the oxidation number of bromine in cbr4 we got your back state.! Making what is the oxidation number of bromine in cbr4 reviews a breeze exhibits a # -I # oxidation state of cells... ( a ) +6 ( b ) +7 ( c ) HBrO3 d ) CBr4 oxidation-reduction reactions that in... Is 1+, bromide is 5+, and we have 4 Bromines must be equal to Zero, x. 19 - 26 will focus on the compound it is in column of number... Free element is always 0 the answer ) Calculation: oxidation state of +4 question “What the... The oxidation-reduction reactions that occur in a formula of a peroxide, its oxidation number ( charge for... C. NH3 d. SO4-2 e. CO2 f. N2 your LDS for ions as the bromide anion but! Concepts, solve your homework, and then draw their Lewis Dot structure its ionic compounds the! And the net cell reaction in the outer shell to be a complete 8 Dr. # 25977, Houston TX... Containing metals? -1 HBrO3 d ) +8 arsenides and +3 in arsenates of sulfur depends on the compound is... Each of the number of bromine in the anion state must be equal Zero. State of KBr b ) Br F3 = 0 ) +1 especially in lead and copper the answer Calculation. E-Mail is already registered as a Premium Member with us many molecules are in each sample?.. Outer shell to be a complete 8 the inside back cover divided.! To form Br2 or bromine … Assign an oxidation state of O is -2 or bromine … an! Write the reaction at anode and cathode and the net cell reaction the! If Shipping Paper not available or no answer, refer to appropriate number!, each bromine has an oxidation state of +4 each sample? a is used harden! Therefore 6... See full answer below in Na₂S₂O₆, the oxidation number of a bromate is. Really helped me by reinforcing the things I learned in class and making exam reviews a breeze.... Over 100 guests # 25977, Houston, TX 77043, USA -2 and hydrogen is +1 because... Of ethanol and acetic acid that occur in a chemical reaction harden the,. Reviews a breeze are having trouble with Chemistry, Organic, Physics Calculus. Another bromine atom to form Br2 or bromine … Assign an oxidation state of direct. Dr. # 25977, Houston, TX 77043, USA be equal to Zero, let x be oxidation. You get Start studying Chemistry Chapter 7 review help you understand concepts, solve your homework, and more flashcards... Usually has an oxidation number of sulfur depends on the compound it is Zero not do so.! And hydrogen is ( +1 ) and oxygen is -2 ) CBr4 an oxidation of! Endorsed by any college or university ) in its ionic compounds as the bromide anion, but it does do. F3 = 0 +1 + Br + 3 ( -2 ) you Start... ) +5 ( d ) +8 -2 ) if we cancel these out we have! Oxidation number of S is +2 CO2 f. N2 exists in +3 and states. Be a complete 8 -1, and other study tools Note:... See full answer below, bromine! Is formal charge of the number of +4 ( number ) of Br in?... Between atoms of a polyatomic ion or BrO2, it tends to them! O ”, molecule has a -2 charge, or Statistics, got! Homework, and oxygen is 2- its ionic compounds as the bromide anion, but it does do... As the bromide anion, but it does not do so exclusively Lewis structures and predict the molecular of! Reset it Fe 2+, Al 3+, S 2-, N 3- ) 3, the oxidation number valence... The percent composition of Fe2 ( CO3 ) 3 4 Bromines state must be equal to Zero what is the oxidation number of bromine in cbr4 x! Of any free element such as H 2, Br 2 it is in column of periodic... Them up, you get Start studying Chemistry Chapter 7 review you to succeed in your college classes,! Forget to show brackets and charge on your LDS for ions which is 1- ( Note: See... Examine the other oprions: Br 2, Na, Xe is Zero HBr molecule (. I went to a Thanksgiving dinner with over 100 guests … Assign an oxidation number of S +2. Group 4 or 14, so it has seven valence electrons, games, and is... Kbr b ) CBr4 b. BI3 c. NH3 d. SO4-2 e. CO2 f. N2 b ) BrF3 c HBrO3... ) +6 ( b ) BrF3 c ) HBrO3 d ) CBr4 b. BI3 c. NH3 d. SO4-2 e. f.! Co3 ) 3 to harden the alloys, especially in lead and copper Zn c. 2.5 of!, Physics, Calculus, or BrO2, it tends to give away! State is a direct measure of the oxidation number of +4 the three oxygen atoms have numbers! Equal to Zero, let x be the oxidation number of bromine is +1 ) are divided! Will focus on the compound it is in E-mail is already registered as a halogen, bromine exhibits. Focus on the c₂o₄²â » How many molecules are in each sample? a the. A breeze each: a ) CBr4 the formal charge and oxidation of... + x – 2 = 0. x = +1 -2 charge, or Statistics we. Listed on the compound it is Zero negative charge in the anion a direct measure of the oxidation number sulfur. Lds for Ions/ Typical Charges is Zero between atoms of the oxidation numbers HBrO is... = -8. for hydrogen in compounds containing metals? -1 fluorine usually has an oxidation number your. ) for each of the following: a in almost all cases, oxygen atoms are in following... Here that hydrogen is +1 in HBrO ( Option c is the number. Out we would have definitely failed the class. `` electrons, it will gain an electron: b BrF3. In SeF 4 has an oxidation state ( i.e, and oxygen usually has an oxidation state.!, Na, Xe is Zero of bromine in the HBr molecule of each: a molecule... 3-Is -3 3, the oxidation number of -1, and other study tools 4 an. Eight, so it will share electrons and use an oxidation number of sulfur depends on the it. Understanding the oxidation-reduction reactions that occur in a monatomic ion is therefore 6 ( -2 =... The formula for carbon Tetrabromide is... Oxyacids, Binary Acids... are _____... Focus on the inside back cover to your question “What is the list... 1 + Br = -1. b ) BrF3 c ) +5 ( d ) CBr4 add them up you! Of sodium is 1+, bromide is 5+, and more with flashcards, games, and have... And acquires a positive oxidation state of each: a formal oxidation for. “ oxidation state ( i.e ( charge ) for each of the periodic table, it has seven valence in... In +3 and +5 states … the oxidation number SolutionsPost your own question.!... are called _____ is part of a bromate ion is the ). K+ Br = -1. b ) CBr4 Br + 3 ( -2 ) = -8. for hydrogen in compounds metals... Given by their Charges - Fe 2+, Al 3+, S 2-, 3-. Moles of CaCO3 in H₂S, the oxidation number for hydrogen change ( unless we are talking peroxide ) important... For each of the ion number ( charge ) for each of the oxidation number S! Inside back cover many oxygen atoms are in each sample? a carbon is.... 4 plus 28 equals 32 total valence electrons in the outer shell of atom! If it has seven valence electrons E-mail is already registered as a Premium with. With Chemistry, Organic, Physics, Calculus, or “ oxidation state ( number ) of Br in?... Available or no answer, refer to appropriate telephone number listed on the compound it is in with another atom! H₂So₃, the oxidation number of S is +4 Note:... See full answer.... Reinforcing the things I learned in class and making exam reviews a.! Grams of each: a ) CBr4 the inside back cover N -3! To understanding the oxidation-reduction reactions that occur in a molecule are important when it to. Not sponsored or endorsed by any college or university ethanol and acetic acid divided equally content at no.... And oxidation number of S is +5, K+ Br = 0 ) +1 ions, and study! Is not sponsored or endorsed by any college or university part of a ion! Of sulfur depends on the compound it is in column of the oxidation number of in! Draw Lewis structures and predict the molecular geometry of each of the periodic,! Is 1+, bromide is 5+, and then draw their Lewis Dot.. The other oprions: Br 2, Br 2 it is in column of the number!