The Periodic Table displays every element that is known. The elements are arranged in ...... 1 ...... number order. The melting points of Group I elements ...... 2 ...... as you move down the group. The melting points of Group VII elements ...... 3 ...... as you move down the group. Which words correctly fill gaps 1, 2 and 3?
- Anucleon, decrease, increase
- Bnucleon, increase, decrease
- Cproton, decrease, increase
- Dproton, increase, decrease