I don’t care about it tbh like I don’t even care about that stuff but the answer is 29272728
It would be A) Cl, K, Ar
Because Cl=35,K=39,Ar=40
Answer:
copper
Explanation:
so for this you can work out the mass for both and compare
so mass = moles × mr
so mass of sodium = 1 × 23= 23 g
and mass of copper = 1 × 63.5= 63.5 g
so copper have more mass :)