Question

count the atoms! hio$_{3}$

Explanation:

Step1: Identify each element

The elements in the compound are hydrogen (H), iodine (I), and oxygen (O).

Step2: Count atoms of each element

• Hydrogen: There is 1 H atom as there is no sub - script next to H.
• Iodine: There is 1 I atom as there is no sub - script next to I.
• Oxygen: There are 3 O atoms as the sub - script next to O is 3.

Step3: Calculate total number of atoms

Add the number of atoms of each element: $1 + 1+3=5$.

Answer:

5