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AQA Additional Science GCSE. TRANSFORMATION. Chemistry 2. Session1. How do subatomic particles help us understand the nature of substances. 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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chemistry 2
Chemistry 2

Session1.

How do subatomic particles help us

understand the nature of substances.

the diagram shows the structure of a lithium atom label it to show an electron proton and neutron
The diagram shows the structure of a lithium atom. Label it to show an electron, proton and neutron

Electron

proton

neutron

the diagram shows two elements from the same group in the periodic table name the part labelled x
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

atoms of calcium phosphorous and fluorine are shown below use the information to complete the table
Atoms of calcium, phosphorous and fluorine are shown below. Use the information to complete the table

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10

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