Question

27. Elements in Periodic Table show
periodicity of properties”. List any four
properties.

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Answer 1

Answer:

(i) Atomic size.

(ii) Valency or combining capacity.

(in) Metallic property.

(iv\ Non-metallic property

Answer 2

Answer:

Four properties are as follows :-

1. Elements have same no. of valence electrons and same valency in a group.
2. Elements have similar chemical properties in  a group.
3. The atomic size of elements increases down the group.
4. The metallic character of elements also increases down the group.