Discussion Forum
Que. | In periodic table, period number indicates number of |
a. | neutrons |
b. | protons |
c. | electrons |
d. | photons |
Correct Answer:photons
|
Que. | In periodic table, period number indicates number of |
a. | neutrons |
b. | protons |
c. | electrons |
d. | photons |
Correct Answer:photons
|