Question

How do you count the number of atoms in a chemical formula?

Answer 1

To find out the number of atoms: MULTIPLY all the SUBSCRIPTS in the molecule by the COEFFICIENT

Step-by-step explanation:

Step 1: Write the chemical formula

Step 2: List all the atoms

Step 3: Count the number of atoms of each element in 1 molecule.

Step 4: Multiply the number of atoms of each by the coefficient.

Step 5: Make sure your answer makes sense.