c h e m i s t r y

• What types of atoms are included in covalent bonding?


  Two non metals
• How do covalent bond work?

  They share electrons.
• How do they stay together?

  strong electrostatic forces
• what are the two types of covalent bonds?

  simple

  giant
• an example of a simple?

  oxygen, chlorine, carbon dioxide, water, hydrogen chloride
• an example of a giant?

  diamond, graphite, graphene, silicon dioxide,
• what types of atoms are included in ionic bonding?

  metals and non metals
• what the attraction between these ions?

  strong electrostatic attraction between positive and negative ions.
• some examples of ionic compounds?


  calcium chloride, magnesium oxide, aluminium bromide
• What types of atoms are included in metallic bonding?

  Only with metals
• Where do metals lose electrons from?

  the outer shell
• what do these lost electrons form?

  positive ions and delocalised electrons
• why are metallic bonds attracted to each other?

  the positive and negative ions
• some metallic substances

  iron, aluminium, sodium, magnesium