Question

Match the pairs-

1] Basic oxides a] Zero group elements

2] Noble gases b] triple bond

3] Vertical columns c] Radium

4] Alkaline earth metals d] groups

5] Nitrogen molecule e] metals​

Answer 1

1)Basic oxides.c) radium.

2)Noble gases.a) zero group elements.

3) vertical columns. d) groups.

4) alkaline earth metals.e)Metals.

5)nitrogen molecules.b) triple bond.