The Periodic Table

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  1. 4. a strong, hard magnetic silvery-gray metal, the chemical element of atomic number 26, much used as a material for construction and manufacturing, especially in the form of steel.
  2. 7. a heavy, bluish-gray, soft, ductile metal, the chemical element of atomic number 82. It has been used in roofing, plumbing, ammunition, storage batteries, radiation shields, etc
  3. 8. a silvery-white metal, the chemical element of atomic number 28.
  4. 9. the chemical element of atomic number 76, a hard, dense silvery-white metal of the transition series
  5. 10. a colorless, odorless, highly flammable gas, the chemical element of atomic number 1.
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  1. 1. the chemical element of atomic number 54, a member of the noble gas series. It is obtained by distillation of liquid air, and is used in some specialized electric lamps.
  2. 2. the chemical element of atomic number 22, a hard silver-gray metal of the transition series, used in strong, light, corrosion-resistant alloys.
  3. 3. the chemical element of atomic number 2, an inert gas which is the lightest member of the noble gas series.
  4. 5. the chemical element of atomic number 36, a member of the noble gas series. It is obtained by distillation of liquid air, and is used in some kinds of electric light.
  5. 6. he chemical element of atomic number 6, a nonmetal which has two main forms (diamond and graphite) and which also occurs in impure form in charcoal, soot, and coal.