Compounds & their Properties - Chemistry

• Compound


  A substance formed when two or more different elements are chemically bonded together.
• Element


  A pure substance that is made from a single type of atom.
• Molecule


  A group of atoms joined together.
• Water


  A compound made from hydrogen and oxygen, represented by the formula H2O.
• Carbon Dioxide


  A compound made from carbon and oxygen.
• Hydrocarbons


  Compounds found in oil.
• Sodium Chloride


  Commonly known as table salt.
• Glucose


  A compound found in sweet foods.
• Potassium Iodide


  A compound found in kelp.
• Lead Oxide


  A compound found in old water pipes.
• Naming Rule for Compounds with 2 Elements

  If a compound contains 2 elements it will end in - ide.
• Naming Rule for Compounds with 3 Elements

  If a compound contains 3 elements, one of which is oxygen, it will end in - ite or -ate.
• Chemical Formula


  A representation that relates to the number and types of atoms from which a compound's molecules are made.
• Difference between Compound and Mixture

  A compound is a substance formed from chemically bonded elements, while a mixture is a combination of substances that are not chemically bonded.
• Breaking Down Compounds


  Compounds can be broken down into their elements through chemical reactions.
• Molecule of DNA


  A complex molecule comprising carbon, nitrogen, oxygen, and phosphorous atoms.
• Appearance of Compounds


  Describing the visual characteristics of simple compounds made.
• Atoms in Water Molecule

  In a molecule of water, there are 2 hydrogen atoms and 1 oxygen atom.
• Common Compounds Examples

  Examples include hydrocarbons, sodium chloride, glucose, potassium iodide, and lead oxide.
• Practical Activities with Compounds

  Activities that involve making and breaking down compounds.
• Understanding Compounds


  The knowledge that compounds are formed when atoms of different elements join together.
• Copper oxide


  Copper and oxygen
• Sodium chloride


  Sodium and chlorine
• Potassium bromide


  Potassium and bromine
• Lithium bromide


  Lithium and bromine
• Lead sulphide


  Lead and sulphur
• Iron nitride


  Iron and nitrogen
• Magnesium phosphide


  Magnesium and phosphorus
• Copper carbonate


  Copper, carbon and oxygen
• Zinc sulphite


  Zinc, sulfur and oxygen
• Hydrogen nitrate


  Hydrogen, nitrogen and oxygen
• Iron sulfate


  Iron, sulfur and oxygen
• Calcium phosphate


  Calcium, phosphorus and oxygen
• Sodium oxide


  Sodium and oxygen
• Calcium carbonate


  Calcium, carbon and oxygen
• Aluminium sulfide


  Aluminium and sulfur
• Gold nitrate


  Gold, nitrogen and oxygen
• Magnesium chloride


  Magnesium and chlorine
• Zinc sulfate


  Zinc, sulfur and oxygen
• Copper bromide


  Copper and bromine