Sulfur - S-16
Electronic configuration:
1s2 2s2 2p6 3s2 3p4
Hope it helped!!
A. p block
from 3a-8a are in the p block including halogen
The photoelectric effect supports a particle theory of light in that it behaves like an elastic collision (one that conserves mechanical energy) between two particles, the photon of light and the electron of the metal.