krypton (Kr)
Biology, 02.04.2021 18:00 leslie0296
Select the elements that have 4 valence electrons.
hydrogen (H)
krypton (Kr)
strontium (Sr)
carbon (C)
oxygen (O)
tin (Sn)
Answers: 2
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You know the right answer?
Select the elements that have 4 valence electrons.
hydrogen (H)
krypton (Kr)
krypton (Kr)
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