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Variation of Metallic Properties

Which of the ...

Question

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

A

Ionisation energy

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B

Non-metallic character

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C

Atomic size

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D

Valency

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Solution

The correct option is C
Atomic size

Atomic size increases as we move from top to bottom due to the addition of new shells.

Ionisation energy and nonmetallic character decreases down the group where as the valency remains constant.

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Similar questions

Give scientific reasons:

1. Atomic size increases down the group.

2. Metallic character decreases from left to right in a period.

3. Elements in the same group show same valency.

Q. Choose the correct answer:
With reference to the variation of properties in the Periodic Table, which of the following is generally true?
(a) Atomic size increases from left to right across a period.
(b) Ionisation potential increases from left to right across a period.
(c) Electron affinity increases going down a group.
(d) Electronegativity increases going down a group.

Q. Question 25
Which one of the following does not increase while moving down the group of the periodic table?

(a) Atomic radius
(b) Metallic character
(c) Valency
(d) Number of shells in an element

Which one of the following does not increase while moving down the group of the periodic table?

(a) atomic radius (b) metallic character (c) valence electrons (d) shells in the atoms

Q. Part (i) to (v) refer to changes in the properties of elements on moving from left to right across a period of the periodic table. For each property, choose the letter corresponding to the correct answer from the choices (a), (b), (c) and (d).
(i) The non-metallic character of the elements:
(a) decreases
(b) increases
(c) remains the same
(d) depends on the period

(ii) The electronegativity:
(a) depends on the number of valence electrons
(b) remains the same
(c) decreases
(d) increases

(iii) The ionisation potential:
(a) goes up and down
(b) decreases
(c) increases
(d) remains the same

(iv) The atomic size:
(a) decreases
(b) increases
(c) remains the same
(d) sometimes increases and sometimes decreases

(v) The electron affinity of the elements in groups 1 to 7:
(a) goes up and then down
(b) decreases and then increases
(c) increases
(d) decreases

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