Chemical Formulas and Equations Review

Front

What is the correct formula for Iron (III) Sulfate?

Back

Fe₂(SO₄)₃

Front

What is the oxidation state of sulfur in SO₄²⁻?

Back

+6

Front

What type of reaction is represented by a single replacement reaction?

Back

A reaction where one element replaces another in a compound.

Front

How many oxygen atoms are contained in Ca₃(PO₄)₂?

Back

8

Front

Which formula is an empirical formula?

Back

CH₄

Front

Define a chemical formula.

Back

A representation of a substance using symbols for its constituent elements.

Front

What is the difference between empirical and molecular formulas?

Back

Empirical formula shows the simplest ratio of elements, while molecular formula shows the actual number of atoms.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a reactant in a chemical reaction?

Back

A substance that undergoes change during a chemical reaction.