What would be the group and period no. of elements having atomic number 3,8,18,20 ?
Answers
Answered by
1
Explanation:
3- group 1 period 2
8- group 16 period 2
18 group 18 period 3
20 group 2 period 4
Answered by
0
Answer:
3 - group 1A (lithium)
8 - group 8A ( oxygen)
18- zero group ( argon)
20- 2A group ( calcium)
What do mean by period no.
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