What is wrong with the following equation?
`Mg+OrarrMgO`
Identify the mistake and balance the equation.

Explanation

To analyze the given equation and identify the mistakes, we will follow these steps:

### Step 1: Identify the Incorrect Elements in the Equation
The original equation provided is:
\[ \text{Mg} + \text{O} \rightarrow \text{MgO} \]

Here, the mistake is in the representation of oxygen. Oxygen exists as a diatomic molecule (O2) in its elemental form, not as a single atom (O).

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