neet nta nic in phase 2 registration

Seventh Period is … 1. Small period 2. Long period 3. Incomplete 4. None

Sixth period has 1. 18 elements 2.8 elements 3.32 elements 4. In complete

Fourth and Fifth periods consist of …. elements each 1.2 2.8 3.18 4. 28

Each period in the periodic table ends with an 1. Halogen 2. Chalkogen 3. Inert gas element 4. None of these