Element with low ionization potential likely to be:

1. Metal
2. Metalloid
3. Non-metal
4. Inert gas

The non-metallic properties of elements from left to right in a Periodic Table:

1. Increases
2. Decreases
3. Remains same
4. First increases & then decreases

The electronic arrangements of six atoms, A to F is shown below.

A: 2,5    B: 2    C: 2,6    D: 2,8,6    E: 2,8,8    F: 2,8,3

Two noble gases:

1. A & B
2. E & F
3. B & E
4. D & E

The electronic arrangements of six atoms, A to F is shown below.

A: 2,5    B: 2    C: 2,6    D: 2,8,6    E: 2,8,8    F: 2,8,3

The atom which is the most electronegative:

1. A
2. B
3. C
4. F