Variation of Metallic Properties

Q.

Which one of the following has the maximum metallic character?

1. Na

2. Mg

3. Al

4. Si

Q.

In which part of a group would you separately expect the elements to have:

(a) the greatest metallic character?

(b) the largest atomic size ?

Q. Which of the following elements has the lowest non-metallic character?

1. Cl
2. At
3. F
4. I

Q.

Which of the following elements are most non-metallic in nature?

1. At

2. F

3. Cl

4. I

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

Q. Arrange the following elements in order of decreasing non-metallic character :

1. $Pb,>Sn,>Ge,>Si$
2. $Pb,>Ge,>Sn>Si$
   
3. $Si,>Ge>Sn>Pb$
4. None of the above
5. Equal non-metallic character

Q. Choose the correct option regarding the elements A, B, C and D based on the data provided in the table.​

Element	Atomic number
A	3
B	11
C	9
D	17

Q. Arrange the following elements in the order of metallic character.
$Si,Be,Mg,Na,P$

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.

Why metallic character decreases across a period and increases down a group?

Q. Which of the following set of elements is written in order of their increasing metallic character?

1. Be, Mg, Ca
2. Na, Li, K
3. Mg, Al, Si
4. C, O, N

Q. Which of the elements in Group $1A$ of the periodic table has the greatest metallic character?

1. $Li$
2. $Na$
3. $H$
4. $K$
5. $Rb$