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Standard IX

Chemistry

Metallic and Non-Metallic Character

While we move...

Question

While we move from left to right in a period, what happens to the non-metallic character of the elements?

Decreases

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Increases

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Remains Same

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Increases and then decreases

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Solution

The correct option is B
Increases

The non-metallic character increases as we move along a period. The metals are present on the right side and center of the periodic table. Towards the right of the periodic table, there are metalloids and non-metals which shows the increase in non-metallic character.

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Similar questions

Q. On moving from left to right in a period of the periodic table, the atomic number of elements increases. What happens to the size of atoms of elements on moving from left to right in a period?

(a) increases
(b) decreases
(c) remain the same
(d) first increases then decreases

Q. Correct the mistakes, if any in the following statement. In a period, the metallic character of the element increases while their non metallic character decreases.

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. Assertion :The oxidizing power of elements increases from left to right along a period. Reason: As we move from left to right, electronegativity of elements increases, so they have less tendency to loose electrons and non-metallic character of elements increases

Parts (a) to (e) refer to changes in the properties of elements on moving from left to right across a period of Periodic Table. For each property, choose the correct answer.

(a) The non-metallic character of the elements :

(i) decreases, (ii) increases,

(iii) remains the same, (iv) depends on the period

(b) The electronegativity :

(i) depends on the number of valence electrons,

(ii) remains the same,

(iii) decreases,

(iv) increases.

(i) goes up and down (ii) decreases

(iii) increases (iv) remains the same

(d) The atomic size :

(i) decreases,

(ii) increases,

(iii) remains the same ,

(iv) sometimes increases and sometimes decreases.

(e) The electron affinity of the elements in groups 1 to 7 :

(i) goes up and then down.

(ii) decreases and then increases,

(iii) increases,

(iv) decreases.

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