Chemistry
Grade-9
Easy
Question
When writing the chemical formula of a compound that contains more than one of a particular polyatomic ion, _____ must be used.
- Ionic charges
- Parenthesis
- Greek prefixes
- Lower case letters
Hint:
Parentheses are used in molecules with multiple polyatomic ions.
The correct answer is: Parenthesis
- Parentheses are very often used in chemical formulae.
- Parentheses are used to form subgroups of atoms within a molecule.
- When writing the chemical formula of a compound that contains more than one of a particular polyatomic ion, parenthesis must be used.
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