Counting atoms – Normal

Welcome to Counting atoms practice - Normal

How many H atom(s) is(are) in (NH4)2MoO4?

How many C atom(s) is(are) in (NH4)2CO3?

How many O atom(s) is(are) in Na2Cr2O7?

How many N atom(s) is(are) in (NH4)2MoO4?

How many  Ag atom(s) is(are) in Na3[Ag(S2O3)2?


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