Questions: Identify the number of atoms found in each chemical below: Al2(NO3)3 lithium atom(s) carbon atom(s) oxygen atom(s) ? aluminum atom(s) nitrogen atom(s) oxygen atom(s)

Identify the number of atoms found in each chemical below: Al2(NO3)3 lithium atom(s) carbon atom(s) oxygen atom(s) ? aluminum atom(s) nitrogen atom(s) oxygen atom(s)
Transcript text: Identify the number of atoms found in each chemical below: $\mathrm{Al}_{2}\left(\mathrm{NO}_{3}\right)_{3}$ lithium atom(s) carbon atom(s) oxygen atom(s) ? aluminum atom(s) nitrogen atom(s) oxygen atom(s)
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Solution

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Count the number of atoms of each element in $\mathrm{Li}_2\mathrm{CO}_3$. Count lithium atoms

The subscript after Li is 2, so there are 2 lithium atoms. Count carbon atoms

The subscript after C is 1 (implied), so there is 1 carbon atom. Count oxygen atoms

The subscript after O is 3, so there are 3 oxygen atoms.

$\boxed{2 \text{ lithium atoms}, 1 \text{ carbon atom}, 3 \text{ oxygen atoms}}$

$\boxed{2 \text{ lithium atoms}, 1 \text{ carbon atom}, 3 \text{ oxygen atoms}}$

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