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The Periodic Table

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  • What does (K) stands for ?
    potassium
  • What does (S) stands for ?
    Sulfur
  • What does (Al) stands for ?
    Aluminium
  • name a non- metal element in the 1st group
    hydrogen
  • What does (B) stands for ?
    Boron
  • What does (Ne) stands for ?
    Neon
  • ......... was a .......... philosopher who was the first person to realize that all matter is made of particles, over ....... years ago... Complete.
    Democritus, Greek, 2000
  • What does (Na) stands for ?
    Sodium
  • Scientists have discovered .... different types of atom that occur naturally in the universe.
    94
  • What is the radius of the atom?
    0.1 nm
  • What does (Ar) stands for ?
    Argon
  • What does (Cl) stands for ?
    Chlorine
  • What does (H) stands for ?
    hydrogen
  • What does (Ca) stands for ?
    Calcium
  • What does (Li) stands for ?
    Lithium
  • What does (P) stands for ?
    Phosphorus
  • Another ..... kinds of atom have been made in laboratories.
    24
  • What does(He) stands for ?
    helium
  • What is the Latin name of Sodium?
    Natrium
  • What does (F) stands for ?
    Fluorine
  • What does (Mg) stands for ?
    Magnesium
  • How can we see the Nanotubes??
    by using scanning tunneling microscopes.
  • What does (C) stands for ?
    Carbon
  • What does (O) stands for ?
    Oxygen
  • What does (N) stands for ?
    Nitrogen
  • What does (Be) stands for ?
    Beryllium
  • What does (Si) stands for ?
    Silicon