Exercise 3 Q1

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Across
  1. 1. Electrons found in the outermost energy level
  2. 4. A positively charged particle in the nucleus
  3. 5. Negative particles that surround the nucleus
  4. 7. A region of space where an electron is most likely to be found
  5. 8. The effect of decreased nuclear pull due to filled energy levels.
Down
  1. 2. A region around an atom where electrons are found with the same fixed energy
  2. 3. The pull of oppositely charged particles
  3. 6. A collection of orbitals with the same energy