Chemistry

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Across
  1. 3. – A type of bond where electrons are shared across a lattice of atoms (8 letters).
  2. 4. – Positively charged particle in an atom's nucleus (6 letters).
  3. 6. – A horizontal row in the periodic table (6 letters).
  4. 7. – An atom with the same number of protons but a different number of neutrons (7 letters).
  5. 10. – A negatively charged subatomic particle (8 letters).
  6. 11. – A type of bond where atoms share electrons (8 letters).
Down
  1. 1. – Outer electrons involved in bonding (7 letters).
  2. 2. – A vertical column in the periodic table (5 letters).
  3. 5. gases – Group of elements that are unreactive due to full electron shells (10 letters).
  4. 7. – A bond formed when one atom transfers electrons to another (5 letters).
  5. 8. – A neutral subatomic particle in the nucleus of an atom (7 letters).
  6. 9. number – The number of protons in an atom (12 letters).