Question

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Answer 1

Answer:

1. C and F have similar chemical properties as they are in the same group.

Electronic configuration of C and F is : 2,8,7

also A and D have same chemical properties. Their electronic configuration is: 2,8,2.

2. a Element E which has atomic number 14 is a metalloid named silicon.

2.b element G is a noble gas as it has EC: 2,8,8

3. A has greater atomic radius. This is because as we move from left to right across a period, the atomic radius decreases.

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