Q5. Elements having atomic number
3 and 11 would be chemically similar
to the element having atomic number
O 19
O 17
O 20
O 21
Answers
Answered by
1
Answer:
19 is potassium. 17chlorine. 20is calcium. 21 is scandium
Answered by
0
Answer:
19 is potassium. 17 is chlorine. 20 is calcium. 21 is scandium
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