Lessons (8)
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Define an element and learn how different elements are represented by chemical symbols.
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1 Video
Define a compound, write compound formulae and name compounds based on the atoms they contain.
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1 Worksheet
2 Quizzes
1 Video
Understand the difference between physical and chemical changes and write equations using word and symbol equations.
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1 Worksheet
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1 Video
Describe what is meant by 'conservation of mass' and apply this to chemical and physical changes.
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1 Worksheet
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1 Video
Understand that elements have different properties and how the periodic table has been developed over time according to our knowledge of these properties.
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1 Video
Describe the common properties of metals and non-metals and how different uses relate to their properties.
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2 Quizzes
1 Video
Describe the physical and chemical properties of Group 1 metals and trends in their reactions with oxygen and water.
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1 Video
Describe the trends in reactivity of Group 7 elements and how they react with different Group 7 elements and elements from other groups.
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1 Worksheet
2 Quizzes
1 Video