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2011-12-07 15:18:50
2011-12-07 15:18:50

Neutral Bromine has three complete rings of electrons. The first ring consists of 2 electrons, the second has 8, the third 18, and the fourth has a maximum capacity of 8 electrons. Bromine only has 7 electrons in it's outer ring, though, so it needs one extra electron to complete it's ring.

So to answer your question, it needs ONE more valence electron.


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Bromine would have to gain one electron in order to obtain a full outer shell of electrons.

Potassium would lose electrons in all its reactions especially with Bromine.

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Beryllium can lose its two valence electrons.

P has 5 valence electrons so it can gain 3 electrons or lose 5 electrons to have a full valence shell.

Bromine will gain one electron to become Br-

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It loses 2 electrons to obtain the argon configuration of 8 valence electrons.

As a general rule, the noble gases do not lose or gain valence electrons because in most reactions they are considered inert.

This is a metal so it will lose its valence electrons.

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Bromine tends to gain 1 electron. It can however gain them when bonding with Chlorine, oxygen and fluorine.

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Either lose 5 electrons, which is least likely, or gain 3 electrons.

No its stable because it already has its 8 valence electrons

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