Task 2b: Make notes that:

• Define the following:

  • Atom

  • Element

  • Compound

  • Mixture

• Draw a diagram of a atom, element, compound and mixture 

• State what a chemical reaction is

Task 3c: Make notes that:

• State what the columns and rows are called on the periodic table

• Explain where we can find the following:

  • The alkali metals

  • The halogens

  • The noble gases

  • The transition metals

• Name and give the number of each type of atom in the following compounds:

  • H2O

  • NaCl

  • CuSO4

  • SO2

• List the rules used to help us name compounds

Task 4c: Make notes that:

• Draw a diagram of an atom and label the different parts

• Draw and complete a table to show the charges and masses of the different subatomic particles found in an atom

• State what the Relative formula mass shows for an atom

• State what the Atomic number shows for an atom

• Write yourself instructions on how you can calculate the number of protons, neutrons and electrons for any given atom

Task 5b: Make notes that:

• Define reactants and products

• Write instructions on how to write word equations

• State the four state symbols.

• Write a word equation for the following reactions:

1) Hydrogen peroxide breaks down to form oxygen gas and water

2) Magnesium burns in oxygen to form a white powder known as magnesium oxide. 

3) Hydrogen and oxygen gases react to form water

4) Zinc metal and hydrochloric acid react together to produce hydrogen gas and zinc chloride.

Task 7b: Make notes that:

• Define the conservation of mass during a chemical reaction.

• Explain the conservation of mass during a chemical reaction.

Complete the quiz to make sure you understand this unit.