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science count atoms

counting atoms

QuestionAnswer
K2CO3 K-2 C-1 O-3
Na2CrO4 Na-2 Cr-1 O-4
NH4C2H3O2 N-1 H-7 C-2 O-2
Pb(NO3)2 Pb-1 N-2 O-6
2 (NH4)2Cr2O7 N-4 H-16 Cr-4 O-14
4 Al2(CO3)3 Al-8 C-12 O-36
3 CaCl2 Ca-3 Cl-6
Created by: jsrhs
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