All atoms of a certain element have the same number of __.

Protons

Explanation:

Protons define the atomic number, which defines what element an atom is.

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