Here's how to break it down:

* Cs: Represents the cesium ion (Cs⁺).

* H: Represents the hydrogen ion (H⁺).

* SO₄: Represents the sulfate ion (SO₄²⁻).

Since the charges of the ions must balance, one cesium ion (1+) combines with one hydrogen sulfate ion (1-) to form the neutral compound CsHSO₄.