The Cl- ion has a single negative charge and the atomic number of 17. How many electrons are on its innermost shell?
A. 18
B. 17
C. 9
D. 2
Answer:D
The Cl- ion has a single negative charge and the atomic number of 17. How many electrons are on its innermost shell?
A. 18 B. 17 C. 9 D. 2