Science Study Guide

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Across
  1. 4. Charged Particle
  2. 6. A strong force of attraction holding atoms together in a molecule, resulting from the sharing or transfer of electrons
  3. 8. Not lustrous and doesn't conduct heat or electricity well, brittle and bonds covalently with itself
  4. 11. number # of protons and neutrons (A) always a whole number
  5. 12. Positive atom
  6. 16. Found in the electron cloud, with a 1- charge
  7. 18. Conducts electricity and heat relatively well, typically malleable and bonds ionically with nonmetals
  8. 19. A bond between a metal cation & a nonmetal anion
  9. 20. Also known as a family, columns on the periodic table
Down
  1. 1. E- in the outermost energy level; involved in chemical bonding
  2. 2. Found in the nucleus, with a 0 charge
  3. 3. Found in the nucleus, with a 1+ charge
  4. 5. Small and dense, found in the center of the atom, contains P+ and N0
  5. 7. Negative atom
  6. 9. number # of protons (Z) always the same for an element
  7. 10. Atoms of the same element with different numbers of neutrons
  8. 13. Rows on the periodic table
  9. 14. Smallest particle into which an element can be divided and still be the same element
  10. 15. A group of two or more atoms
  11. 17. A bond between two nonmetals