Asked by chloe

how many elements in (NH4)2SO4

Answers

Answered by DrBob222
4.
N, H, S, O
Answered by chloe
thank you
so is AL2O3 3 elements
Ca(HCO3)2 4 elements
Answered by DrBob222
Ca(HCO3)2 is 4, right.
Al2O3 is 2; i.e., Al and O
Answered by chloe
Thank you
Answered by sydiney
saffring gives knowledge
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