In the graphic,
X represents which element?
40
20
40x
20
Calcium
Ca
40
Zirconium
60
Neodymium
Nd
Zr


In The Graphic X Represents Which Element 40 20 40x 20 Calcium Ca 40 Zirconium 60 Neodymium Nd Zr class=

Answer :

A.) Calcium

The mass for calcium is 40 and the atomic number for calcium is 20