MATTER & ENERGY VOCABULARY Part 2

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Across
  1. 2. Materials that readily conduct an electric current
  2. 4. Two or more atoms of same or different kinds chemically bonded together.
  3. 5. The way a substance reflects light.
  4. 7. Refers to the electron configuration outside the nucleus of an atom.
  5. 10. The simplest form of a molecule made of only one type of atom with a certain number of protons and properties unique to that element.
  6. 11. Elements found along the zig-zag of the periodic table that share properties of both metals and non-metals.
Down
  1. 1. Numbered columns of the periodic table. Numbers correlate with the number of valence electrons for a neutral atom.
  2. 3. Physical property of metals and metalloids. Malleable metals can easily be deformed, especially by hammering or rolling, without cracking.
  3. 6. States that mass cannot be lost or gained. Therefore, the number of atoms and mass at the beginning of a reaction must equal the number or atoms and mass at the end of a reaction.
  4. 8. A subatomic particle, with a negative charge, found outside the nucleus of an atom.
  5. 9. Elements located to the left of the zigzag line on the periodic table. Generally, these are good conductors, reactive and have shiny luster.