Question
- Second period of periodic table contains ____ elements.
- Halogens are strong ____ agents.
- Name of a group 13 element is ____.
- Along a period from left to right atomic radii ____.
- Name of a transuranic element is ____.
Answer
- The second period of the periodic table contains 8 elements.
- Halogens are strong oxidizing agents.
- Name of a group 13 element is boron.
- Along a period from left to right atomic radii decrease.
- Name of a transuranic element is neptunium.