Atoms

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Across
  1. 3. Elements in the same vertical column of the periodic table
  2. 6. The specific amount of energy an electron has.
  3. 7. is the basic particle from which all elements are made
Down
  1. 1. A small particle in the nucleus of the atom, with no electrical charge.
  2. 2. A negatively charged particle that is found outside the nucleus of an atom.
  3. 4. A horizontal row of elements in the periodic table
  4. 5. The positively charged particle that is part of an atom's nucleus.