Atoms are the basic units of matter and the defining structure of elements. Atoms are made up of three particles: protons, neutrons and electrons. Protons
Tag: Protons
ELEMENTS Element Definition: A chemical element is a substance that cannot be broken down by chemical means. Elements are defined by the number of protons
Element Definition: A chemical element is a substance that cannot be broken down by chemical means. Elements are defined by the number of protons they