The atomic number ofan element is 20. In the modern periodic table this element
belongs to the period
A 4
B В
8.
C. 2
D. 3
Answers
Answered by
0
Answer:
The element having atomic number 20 is placed in the Group IIA and 4th period of the periodic table. The element is Calcium, Ca.
Answered by
1
Answer:
This element belongs to the period 4.
Explanation:
As 20 (2,8,8,2), so the period will be 4.
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