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Which of these elements has two valence electrons? a. hydrogen (H) b. barium (Ba) c. nitrogen (N) d. krypton (Kr) e. bromine (Br)​

Which of these elements has two valence electrons? a. hydrogen (H) b. barium (Ba) c. nitrogen (N) d. krypton (Kr) e. bromine (Br)​
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1 vote
Which of these elements has two valence electrons?

a. hydrogen (H)
b. barium (Ba)
c. nitrogen (N)
d. krypton (Kr)
e. bromine (Br)​

User Dawid Hyzy
by
7.8k points

1 Answer

5 votes
Hydrogen only has 1 electron so not A.
Barium has 2 valence electrons so answers B!
User Fjodr
by
8.0k points
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