Please review for accuracy Identify the number of different elements each of the

Question

Please review for accuracy

Identify the number of different elements each of the following molecules contains.

H2O has 2                  elements

HCl has   2                 elements

NaOH has 3                elements

C6H10O2N4 has 4                  elements

Identify the total number of atoms in each of the following:

CO has 2             atoms

Co has 1              atoms

H2O has 3              atoms

KBr has   2               atoms

H2SO4 has   7           atoms

H2 has     2             atoms

2H has     2           atoms

Explanation / Answer

H2O has 2 different elements

HCl has 2 different elements                

NaOH has 3 different elements

C6H10O2N4 has 4 different elements

2.

CO has 2 atoms

Co has 1atoms

H2O has 3 atoms

KBr has   2 atoms

H2SO4 has 7atoms

H2 has 2 atoms

2H has 2atoms

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