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Oxana [17]
3 years ago
8

A neutral lithium atom has 1 valence electron. A neutral bromine atom has 7 valence electrons. A chemical reaction between the 2

forms lithium bromide.
What electrical charges would the 2 newly formed ions take on?
A. Li- and Br-
B. Li+ and Br-
C. Li- and Br+
D. Li+ and Br+
Chemistry
2 answers:
Sholpan [36]3 years ago
4 0

Answer: Option (B) is the correct answer.

Explanation:

Atomic number of lithium is 3 and its electronic distribution is 2, 1.

Atomic number of bromine is 35 and its electronic distribution is 2, 8, 18, 7.

It is known that a neutral atom which accepts electrons acquires a negative charge and a neutral atom that loses electrons will acquire a positive charge.

So, in order to attain stability lithium will lose its 1 valence electron and bromine will accept its 1 electron.

Therefore, lithium will acquire a positive charge and bromine will acquire a negative charge.

Thus, we can conclude that electrical charges would the 2 newly formed ions take on is Li^{+} and Br^{-}.

ycow [4]3 years ago
3 0

I believe the Lithium will give up its electron to the bromine so it would become negative

 so it is Li- and Br+

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