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Why does bromine form a -1 ion?

Updated: 9/23/2023
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Bromine has seven electrons in its outermost energy level. It can get the stable electron configuration by getting one electron from another atom which makes the -1 charge.

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Q: Why does bromine form a -1 ion?
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What is the symbol of bromine ion?

The bromine ion is referred to as bromide, and it is Br^-


A bromine atom would form its most stable ion by?

gaining 1 electron


Valency of bromide?

Bromine forms anion. It gets a charge of -1 to form bromide ion.


Does bromine form an ion isoelectronic with krypton?

yes


What is the charge on the ion for bromine?

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Bromine has -1 charge and Lithium has +1 charge. Therefore,only one lithium ion is required to react with a bromine ion.


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1


What is the percent of bromine in calcium perbromate?

What is the percent of bromine in calcium perbromate? (The perbromate ion is BrO4-1.)


What charge does bromine form in compounds?

The charge that bromine forms in compounds is -1. This is because it is a type of halogen that takes electrons to fill its outer shell.


Does N and Br gain or lose electron?

Nitrogen atoms gain 3 electrons and form the nitride ion, N3-. Nitrogen atoms also form covalent bonds where they share 3 electrons and do not become ions. Bromine atoms gain 1 electron and form the bromide ion, Br-. Bromine atoms also form covalent bonds when they share 1 electron and do not become ions.


Does bromine form a cation or an anion?

Bromine (Br) forms a anion (negative charge) because it is a halogen, and it gains 1 electron. However, when it gains that electron (Br)- its name changes to Bromide ion.


When bromine atom gains one electron?

a bromide ion is formed, the ion formed has a -1 charge, and the ion formed is an anion