1. Science ideas I need to know
Chemistry Year 10
Physical Chemistry
Science ideas I need to know
Start of Unit
End of Unit
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Know that matter, including water, is made up of particles called atoms
Know that Scientists use models to show the relationship of protons, electrons and neutrons within atoms and ions
Know that the Atomic Number of an atom is equal to the number of protons and the Mass Number of an atom is equal to the number of protons and neutrons in an atom
Know that the electrons in an atom are arranged in a series of shells
Know that electrons orbit a nucleus of an atom at fixed energy levels
Know that ions are formed by gain or loss of electrons
Know that the periodic table organises elements by atomic number
Know that there is a relationship between the group number and the number of outer electrons
Understand that elements are pure substances that combine to make mixtures & compounds
Understand about the link between the physical properties of substances and their uses
Understand that particles are arranged and move differently in solids, liquids and gases
Understand that temperature is a measure of the kinetic energy in particles
Understand that as a solvent water forms solutions with many different solutes

2. Science ideas I need to know
Chemistry Year 10
Chemical Reactions
Science ideas I need to know
Start of Unit
End of Unit
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Gain an understanding of acids and bases – their characteristics, names, and symbols
Know the names and formula for common acids and bases
Understand that during neutralisation reactions, hydrogen ions combine with hydroxide ions to form water molecules
Write simple balanced equations for salt formation
Understand that the pH scale measures level of acidity and alkalinity
Describe solutions as acidic, alkaline or neutral in terms of the pH scale
Be able to test substances with indicators to determine whether they are acid, base or neutral
Know about chemical reactions - naming reactants & products - and recognising chemical and physical change
Know the properties of acids with regard to their reactions with metals, hydroxides and carbonates. (extension)
Know that some metals form oxides by reaction with oxygen
Understand that ionic compounds are the product of chemical reactions between metal and non-metal ions (Extension )