Chemistry

1234567891011
Across
  1. 1. the neutrons and protons added together
  2. 4. atoms are organised in rows in the periodic table
  3. 8. attraction where opposite charges attract and keep the atoms shape
  4. 10. positive charge subatomic particle located in nucleu
  5. 11. negatively charged and located outside atom
Down
  1. 2. electron __________ means located in shells in 2, 8, 8, 2
  2. 3. shell the outermost layer of the electrons
  3. 5. atoms are organised in columns in the periodic table
  4. 6. anything that takes up space and has mass
  5. 7. no charge subatomic particles located in nucleus
  6. 9. number of protons and location on periodic table