Calcium is the element having z=20
How to find all valves of Z=20?
So, we are going to find out the name, symbol and group numbers element from the given Z value and classify as a metal, metalloid, or nonmetal.
Z=20 (Given)
So, atomic number of the element is 20
Also, the name of the element is Calcium
Atomic symbol of the element is Ca
The group number of is II(A)2
Ca is a metal
Hence, the element is Calcium having Z=20
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