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?
Answers
Answered by
2
Answer:
Elements with atomic Numbers 9and 17 are group-17 elements.
They have similar electronic configuration , so similar properties.
They're halogens.
Explanation:
Answered by
2
Answer:
The electronic configuration of the three elements is as follows:-
X- 2,7
Y- 2,8,1
Z- 2,8,7
Since X and Z both have 7 valence electrons that means both belong to group 17 and are halogens therefore X and Z will show similar chemical properties.
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