Question

The atomic numbers of three elements, X, Y and Z are 9,11 and 17 respectively. Which two of these elements will show similar chemical properties? Why?​

Answer 1

Answer:

:⟹3x

2

=18

:⟹x

2

=

3

18

:⟹x

2

=6

:$\implies$ x=

6

ans..

Answer 2

Answer:

x and z

Explanation:

cus they have same no of valence electrons that is they have 7 valence electrons

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