instead of “ide”. Writing formulas is also the same, except that you have to add parentheses when the formula requires more than one polyatomic ion.
Common polyatomic ions.
Binary molecular compounds consist of covalent bonds between atoms of two different non-metals.
3. In the name, use a prefix to specify the number of atoms of each element that are present in a molecule. Some prefixes, and the numbers they represent, are in the table below.