Atoms

Edit Answers
12345678910
Across
  1. 2. atoms with different number of neutrons.
  2. 5. and heavy like protons and have no electrical charge.
  3. 8. used for things to be understood easily
  4. 9. Mass- equal to the amount of protons and neutrons.
  5. 10. Levels-Any of the possible energies an electron may have in an atom.
Down
  1. 1. larger than electrons and have a positive charge
  2. 3. very light particles and have a negative charge
  3. 4. number-the number of protons located on the top left of any element on the periodic table.
  4. 6. table-a table of the chemical elements arranged in order of the atomic number usually in rows.
  5. 7. atom that carries an electrical charge