2) Imaginary path around the nucleus of an atom in which electrons revolve

3)The term for the combining capacity of an element is

4)The shells or orbits are denoted by

5)The shell, which has two electrons, is

6)Maximum number of electrons, the third shell can accommodate is

7)In general, the n^th shell can accommodate _____ electrons where ‘n’ stands for number of the shell.

8)The electronic configuration of oxygen is

9)The correct symbol for silver is

10)The chemical formula for sodium is