Asked by chloe

how many elements in (NH4)2SO4

13 years ago

Answered by DrBob222

4.
N, H, S, O

13 years ago

Answered by chloe

thank you
so is AL2O3 3 elements
Ca(HCO3)2 4 elements

13 years ago

Answered by DrBob222

Ca(HCO3)2 is 4, right.
Al2O3 is 2; i.e., Al and O

13 years ago

Answered by chloe

Thank you

13 years ago

Answered by sydiney

saffring gives knowledge

6 years ago

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