Quarter 1 Review

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Across
  1. 2. chart of the elements
  2. 4. have no metallic properties and make good insulators
  3. 6. smallest unit of elemental matter
  4. 7. particle with a negative charge
  5. 11. particle that has a positive charge
  6. 12. shows an element’s chemical symbol, atomic number, and atomic mass
  7. 14. have properties of both metals and nonmetals
  8. 15. atoms of the same element that have the same number of protons, but a different number of neutrons
  9. 16. where most of the mass of an atom is found
  10. 17. a row on the periodic table
Down
  1. 1. tells you the number of protons in the nucleus of an atom of that element
  2. 3. area around the nucleus where an electron is most likely to be
  3. 5. conducts electricity at high temperatures, but not at low temperatures
  4. 8. a column on the periodic table
  5. 9. are ductile, conduct heat and electricity, have luster (are shiny), are malleable, are usually more dense and have high melting and boiling points
  6. 10. particle with a neutral charge (no charge)
  7. 13. atoms of the same element that have the same number of protons, but a different number of electrons