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AQA Additional Science GCSE
TRANSFORMATION
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Chemistry 2 Session1. How do subatomic particles help us
understand the nature of substances.
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The diagram shows the structure of a lithium atom
The diagram shows the structure of a lithium atom. Label it to show an electron, proton and neutron Electron proton neutron
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The diagram shows two elements from the same group in the periodic table. Name the part labelled X
the nucleus. Why are the two elements in the same group. Same number of outer shell electrons
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Atoms of calcium, phosphorous and fluorine are shown below
Atoms of calcium, phosphorous and fluorine are shown below. Use the information to complete the table 15 10 20
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