Assertion (A): |
Second-period elements do not exhibit the excitation of electrons. |
Reason (R): | Second-period elements do not have vacant d-orbitals. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |