The electrons that are involved in chemical reactions are the ____________________ electrons.
A. Lost
B. He
C. H
D. U
E. 7
F. 8
G. 9
H. Valence
I. Major
Answer: H
The electrons that are involved in chemical reactions are the ____________________ electrons.
A. Lost
B. He
C. H
D. U
E. 7
F. 8
G. 9
H. Valence
I. Major
Answer: H