Question

write down the electronic configuration of fluoride and sodium​

Answer 1

Answer:

Elemental Fluorine has an electron configuration of

1

s

2

2

s

2

2

p

5

and needs 1 more electron to complete its

2

p

orbital which it will acquire in formation of the fluoride ion.

Thus it gains an electron when forming the fluoride ion, and becomes isoelectronic to neon.

Explanation:

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