If the chemical formula is k2so4 what is the number of elements

The chemical compound with the chemical formula K2SO4 consists of potassium  (K), sulfur (S) and oxygen (O) elements. 2 atoms of potassium, 1 atom of sulfur and 4 atoms of oxygen combine to form one molecule of K2SO4. For this reason, the compound consists of 3 elements. They are: potassium with symbol K, sulfur with symbol S and oxygen with symbol O.

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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