Atoms, Compounds and Isotopes

HideShow resource information
  • Created by: GrB
  • Created on: 09-02-16 19:34

Atoms, Compounds and Isotopes

Atoms consist of protons, neutrons and electrons. In an element on the periodoc table the top number is the mass number, it is the total number of protons and neutrons. The bottom number is the atomic number, the number of protons. Atoms of the same element always have the same number of protons. To find…


No comments have yet been made

Similar Science resources:

See all Science resources »See all Chemistry resources »