Variation of Metallic Properties

Q.

Which of the following metals can be found in their pure form in nature?

1. Silver

2. Iron

3. Sodium

4. Gold

Q. In the periodic table, the metallic character of elements:

1. increases, (i) from left to right across a period and (ii) on descending a group
2. decreases, (i) from left to right across a period and (ii) on moving up group from bottom to top
3. increases from left to right across a period and decreases on descending a group
4. increases from right to left across a period and increases on descending a group

Q.

Moving across a __________in a periodic table , the elements show increasing___________character.

Q.

The least metallic element of group 2 is

1. Be

2. Mg

3. Ca

4. Sr

Q.

From left to right in a period, metallic character gradually decreases.

1. False

2. True

Q.

The least metallic element among the following is:

1. Sc

2. Ti

3. V

4. Cr

Q. The metallic character decreases down the group and increases along the period.

1. True
2. False

Q.

The least metallic element of group 1 is :-

1. Caesium

2. Lithium

3. Sodium

4. Potassium

Q.

The least metallic element of group 1 is:

1. Lithium

2. Sodium

3. Potassium

4. Calcium

Q. Metallic character _________ down the group in the periodic table.

1. increases
2. decreases
3. decreases and then increases
4. increases and then decreases

Q.

Which of the following properties generally increases on moving from top to bottom ?

1. Ionisation energy

2. Non-metallic character

3. Atomic size

4. Valency

Q. In the modern periodic table, the metals are arranged from the leftmost side of the table. Select the correct option regarding property of metals.

1. Metals are both electropositive and electronegative.
2. Metals form acidic oxides.
3. Metals are electropositive in nature.
4. Metals are electronegative in nature.

Q.

Which of the following statements is not correct about the trends when going from left to right across the periodic table?

1. The oxides becomes more acidic

2. The elements become less metallic in nature

3. The number of valence electrons increases

4. The atoms lose their electrons more easily