Question

. The electronic configuration of Fluorine having atomic number 9 is:
a. Is2, 2s2, 2p6
b. Is2, 2s2, 2p5
c. Is2, 2s2, 3p5
d. Is2, 2s1, 2p5
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Answer 1

Answer:

Fluorine (F) is the first element in the Halogen group (group 17) in the periodic table. Its atomic number is 9 and its atomic weight is 19, and it's a gas at room temperature.

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