Question

How many atoms are in 3al(po₄)

Answer 1

18

Step-by-step explanation:

Answer 2

• 18 atoms

Step-by-step explanation:

The compound shown is:

`3Al(PO_4)`

That means that there are 3 units of
`Al(PO_4)`.

Each unit of
`Al(PO_4)`. contains:

• 1 atom of Al
• 1 atom of P
• 4 atoms of O: the subscript to the right of an element indicates the number of atoms in the formula

Thus, in total, there are 6 atoms in one unit of
`Al(PO_4)`.

The coefficient in front of the chemical formula indicates the number of units. Thus, there are 3 units, each with 6 atoms, for a total of 3 × 6 = 18 atoms.