Which of the following atoms have three valence electrons?
1) B
2) Li
3) Y
4) Element 104
5) Hf

Name: Which of the following atoms have three valence electrons? 1) B 2) Li 3) Y 4) Element 104 5) Hf
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Question

Quizplus · Accepted Answer

Boron (B) has three valence electrons as it is in group 13. Yttrium (Y) and Hafnium (Hf) are transition metals, but they also have three electrons in their outermost s and d orbitals that can be considered as valence electrons.

Which of the Following Atoms Have Three Valence Electrons