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30/09/2020 11:55 am
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The configuration 1s2, 2s22p5, 3s1 shows :
(a) excited state of O-2
(b) excited state of neon atom
(c) excited state of fluorine atom
(d) ground state of fluorine atom
1 Answer
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30/09/2020 11:58 am
(b) excited state of neon atom
Explanation:
Atomic number of the given element = 10
Electronic configuration = 1s2, 2s22p6
1s2, 2s22p6 is electronic configuration of Ne.
1s2, 2s22p5, 3s1 is excited oxidation state.