How does atomic size vary in group 1 and group 17 and why?
A. Atomic size increases because electrons added to the penultimate shell
B. Atomic size increases because electrons added to next higher energy shell
C. Atomic size decreases because electrons added to penultimate shell
D. Atomic size decreases because electrons added to same shell
Answer:B
How does atomic size vary in group 1 and group 17 and why?
A. Atomic size increases because electrons added to the penultimate shell B. Atomic size increases because electrons added to next higher energy shell C. Atomic size decreases because electrons added to penultimate shell D. Atomic size decreases because electrons added to same shell