Elements

• Elements


  A substance made up of one type of atom
• Compounds


  A substance made of more different atoms joined together in a fixed ratio
• Making compounds


  1. Water

  2. Carbon dioxide
• Properties of metals


  • Ductile, shiny, hard and strong
  • Sonorous, good conductor of heat and electricity
  • High melting point
  • Malleable
• Uses of metals


  • Cutlery
  • Cans/Socks
  • Cars and planes
• Properties of non-metals


  • Dull, brittle, not magnetic, not sonorous, low melting point, poor conductors of heat and electricity
• Periodic table


  • H
  • Li Be
  • Na Mg
  • K Ca Sc Ti V Cr Mn Fe
  • Rb Sr Y Zr Nb Mo Tc Ru
  • Cs Ba La Hf Ta W Re
  • Fr Ra Ac Rf Db Sg Bh Hs
  • Ce Pr Nd Pm Sm
  • Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr
  • B
  • Al Si P S Cl Ar
  • Zn Ga Ge As Se Br Kr
  • Cd In Sn Sb Te I Xe
  • Hg Tl Pb Bi Po At Rn
  • Cn Nh Fl Mc Lv Ts Og
  • Tb Dy Ho Er Tm Yb Lu
• Uses of non-metals


  • Rings
  • Earrings
  • Blimps
  • Jewellery
• Molecules


  Formed when atoms join together
• Mixtures


  Contains atoms, the elements or compounds, in an arbitrary ratio
• Alloys


  A mixture of metals with other elements to enhance the metals' properties