b) Mg and K
Chemistry, 26.10.2020 20:00 halllawson
What pair of elements have the same number of valence electrons?
a) Li and Na
b) Mg and K
c) Ti and Nb
d) Rb and Zr
Answers: 3
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What pair of elements have the same number of valence electrons?
a) Li and Na
b) Mg and K
b) Mg and K
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