Question

OTAL number of atoms that make up each the compound.

Al(NO3)3

Answer 1

Answer:

13

Explanation:

In  $Al(NO_3)_3$, there is one Al atom and 3 molecules of $NO_3$, which contain 3 O and one N each.

So the total atoms = $1+3(3+1)=1+3(4)=1+12=13$

Answer 2

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Al- no.of atoms= 1

N- no.of atoms =3

O- no.of atoms =9

total no.of atoms= 13

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