in the modern periodic table identify the group 1 to which all these elements belong with reason ?
Answers
Answered by
1
Answer:
alkalies metal group it is..............
Explanation:
its valency is 1.....
regards
Answered by
0
Answer:
H, Li, Na, K, En, Cs, Fr are the 1st group elements in the modern periodic table. It's outermost electron configuration is ns1. The valency of all these elements is 1 and all these elements have same properties.
These elements are also called as alkali metals.
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