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Chemistry - Elements

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Across

  1. These elements include fluorine, chlorine, bromine, iodine, and astatine
  2. The lightest element
  3. Heaviest of the naturally occurring elements, U
  4. Different forms of the same element
  5. Its symbol is Fe
  6. ____ signs, Ne
  7. This element helps make strong bones, Ca
  8. Hydrogen, carbon, nitrogen, oxygen, sulfur
  9. States or ___ of matter include solid, liquid, and gas
  10. Substance that consists of a single type of atom
  11. The ____ number or number of protons in an atom

Down

  1. ___ metals include gold, iron, nickel, and copper
  2. Alkaline ____ metals are in the second column of the periodic table
  3. neon, helium, argon, krypton, xenon, radon
  4. Most common element in the air we breathe, N
  5. The ____ table is a listing of the elements
  6. Its symbol is Au
  7. A basic element for life, C
  8. Planet, messenger of the Greek gods, element with symbol Hg
  9. Its used in nuclear reactors, Pu
  10. Element worth five cents, Ni
  11. _____ metals include sodium, potassium, and lithium
  12. Element known as good conductor of electricity, Cu
  13. The majority of elements are ____, these types of elements are good conductors


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