If proton number is 19, electron configuration will be ______...? Mcqs

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If proton number is 19, electron configuration will be ______...?

(A) 2, 8, 9
(B) 2, 8, 8, 1

(C) 2, 8, 1
(D) 2, 8, 3

✅ Correct Answer: 2, 8, 8, 1

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Source: This question is taken from the Everyday Science

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Two fluorine atoms share one electron each in their outermost shell to achieve electronic configuration of ______...?

(A) Xe
(B) Ar

(C) Kr
(D) Ne

✅ Correct Answer: Ne

Comments

Source: This question is taken from the Everyday Science

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