Question

1) When we move left to right in a period, valency of the elements:
(a) Remains the same (b) Increases
(c) Decreases (d) Increases and then decreases
2. When we move top to bottom in a group, the atomic size of the elements.
(a) Remains the same (b) Increases
(c) Decreases (d) Increases and then decreases
3. When we move left to right in a period the metallic character of elements:
(a) Remains the same (b) Increase
(c) Decrease (d) Increases and then decreases
4. When we move left to right in a period the nuclear charge:
(a) Increases (b) Decreases
(c) Remains the same (d) Increases and then decrease

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Answer 1

Answer:

1b

2d

3a

4b............................

Answer 2

Answer:

1.b

2.c

3.a

4.b

I hope this answer.

Explanation:

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