Question

How do we know which element is the anion in a chemical formula ?

Anions are the first element in a chemical formula and don't end with -ide or

Anions are the last element in a chemical formula and end with

Answer 1

The anion in a chemical formula is typically a nonmetal element with the suffix -ide. The anion is named by dropping the ending of the element's name.

Step-by-step explanation:

In a chemical formula, the anion is typically the nonmetal element. The anion is named by dropping the ending of the element's name and adding the suffix -ide. For example, Cl is the chloride ion, O² is the oxide ion, and N³- is the nitride ion. The anion is usually written last in the chemical formula.

Answer 2

The overall ionic formula for a compound must be electrically neutral, meaning it has no charge. When writing the formula for the ionic compound, the cation comes first, followed by the anion, both with numeric subscripts to indicate the number of atoms of each.