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6 Oct 2020
Krypton (atomic number 36) has how many electrons in its next-to-outer shell (n=3)? (a) 2, (b) 4, (c) 8, (d) 18
Krypton (atomic number 36) has how many electrons in its next-to-outer shell (n=3)? (a) 2, (b) 4, (c) 8, (d) 18
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Bryllant BaluyutLv10
4 Nov 2020