Fundamental ideas in chemistry

HideShow resource information
  • The atoms in an element are all the same type.
  • An atom consists of a nucleus surrounded by electrons.
  • The correct symbol for sodium is Na.
  • The groups in a periodic table are a column of similar elements.
  • There are 13 protons, 14 neutrons


No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Atoms and compounds resources »