asked 85.7k views
4 votes
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-example-1

1 Answer

4 votes
A.) Calcium

The mass for calcium is 40 and the atomic number for calcium is 20
answered
User Zach Dennis
by
7.9k points
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