Question

please solve the question​

Answer 1

1 a. 2

2d. Rb

3c 18

4a Element with atomic no. 3 and atomic no.11

5d Both b and c

6c It is a noble gas

7a It is a metal

8c Ar

9c Coordinate bonding

10b

11 coordinate

12 newland

13 both b and c

19 increases

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