Question

is the following equation balanced or unbalanced? al + o₂ → al₂o₃

Explanation:

Step1: Count atoms on left side

For \(Al\): \(1\) atom. For \(O\): \(2\) atoms.

Step2: Count atoms on right side

For \(Al\): \(2\) atoms. For \(O\): \(3\) atoms.

Step3: Compare atom counts

Left and right atom counts differ.

Answer:

Unbalanced