Atomic Structure Vocab

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Across
  1. 2. Columns in the periodic table
  2. 3. Two or more electrons in the outer shell of an atom
  3. 6. Particles in the nucleus with a positive charge.
  4. 7. Number of particles in an element.
  5. 8. Rows in the periodic table
Down
  1. 1. Particles outside the nucleus, negative charge.
  2. 4. Core of an atom and has protons & neutrons.
  3. 5. Particles in the nucleus with a positive charge.
  4. 7. The smallest part of an element