The chemical formula K2SO4 consists of the following elements:
- K (potassium)
- S (sulfur)
- O (oxygen)
In the formula K2SO4, the number of atoms of each element is as follows:
- Potassium (K): 2 atoms
- Sulfur (S): 1 atom
- Oxygen (O): 4 atoms
Therefore, the correct response is:
2 potassium atoms, 1 sulfur atom, and 4 oxygen atoms.