Question

Point out the mistakes in the following and correct them.

$\mathrm{AL}{\left({\mathrm{NO}}_3\right)}_3$

Answer 1

1. The first letter of a symbol of an element is always capitalized, while the next letter is not; hence, $\mathrm{AL}{\left({\mathrm{NO}}_3\right)}_3$ is incorrect.
2. Correct way to write Aluminium in terms of the symbol is $\mathrm{Al}$.
3. The correct way to write is- $\mathrm{Al}{\left({\mathrm{NO}}_3\right)}_3$ (Aluminium Nitrate)