Chemical Bonding

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Across
  1. 2. A type of covalent bond that forms when electrons are NOT shared equally.
  2. 5. A measurement of an atom’s ability to steal electrons from other atoms.
  3. 6. A bond that results from the SHARING of valence electrons.
  4. 8. Ionic bonds form as the result of an electron ________ between a metal ion and a nonmetal ion.
  5. 9. Covalent bonds form when two nonmetal elements _______ electrons.
  6. 12. London ________ Forces form between molecules of nonpolar substances.
  7. 13. An attractive force that holds together the atoms, ions, or groups of atoms in a molecule or compound.
  8. 16. A group of atoms that are held together by covalent bonds.
  9. 18. Neutrons have what kind of charge?
  10. 19. Uses chemical symbols to represent the atoms of the elements and their ratios in a chemical compound.
  11. 20. Protons have what kind of charge?
Down
  1. 1. The electrons in the outer energy level of an atom.
  2. 3. This rule states that atoms tend to gain, lose, or share valence electrons so that each atom has a full set of eight.
  3. 4. A substance that cannot be broken down into a simpler substance by ordinary chemical changes.
  4. 7. A type of covalent bond that forms when electrons are shared equally.
  5. 10. Water has many unique properties due to the ________ bonds that form between water molecules.
  6. 11. A substance made up of two or more different types of atoms bonded together.
  7. 14. The force of attraction (bond) between oppositely charged ions in a compound.
  8. 15. The _______ Table lists all known elements.
  9. 17. Electrons have what kind of charge?