Variation of Nonmetallic Properties

Q.

______ is the only non-metal in liquid state.

1. Chlorine

2. Iodine

3. Bromine

4. Mercury

Q.

24. Name the following- Alkali metal having highest melting point.

Q. Define non-metallic character.

1. An atom is said to be a non-metal if it gains one or more electrons when supplied with energy
2. An atom is said to be a non-metal if it gains only one electron when supplied with energy
3. An atom is said to be a non-metal if it loses one or more electrons when supplied with energy
4. An atom is said to be a non-metal if it loses only one electron when supplied with energy

Q.

The most nonmetallic among the given elements is:

1. Silicon

2. Phosphorous

3. Sulphur

4. Chlorine

Q.

Which of the following has the maximum non-metallic character ?

1. I

2. Cl

3. Br

4. F

Q.

What is Metallic character?

Q.

Non-metallic character ___ from left to right in a period.

Q.

The oxidising power of elements increases on moving from left to right along a period in the periodic table. Give reason

Q.

The most nonmetallic among the given elements is:

1. Silicon

2. Phosphorous

3. Sulphur

4. Chlorine

Q.

Which of the following has the maximum nonmetallic character?

1. Cl

2. F

3. Br

4. I

Q.

The most nonmetallic among the given elements is:

1. P

2. S

3. Cl

4. Si

Q.

Question 18
Arrange the following elements in the order of their increasing nonmetallic character
Li, O, C, Be, F
(a) F < O < C < Be < Li
(b) Li < Be < C < O< F
(c) F < O < C < Be < Li
(d) F < O < Be < C < Li