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Atomic structure: Chemistry AQA: GCSE (9:1)

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Relative mass of a proton 1 Relative mass of a neutron about the same as that of a proton Relative mass of an electron 1/1840 Relative charge of a proton +1 Relative charge of a neutron 0 Relative charge of an electron -1 Neutral atoms same number of positive protons as negative electrons

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Atomic structure: Chemistry AQA: GCSE
(9:1)
Relative mass of a proton

1




Relative mass of a neutron

about the same as that of a proton




Relative mass of an electron

1/1840




Relative charge of a proton

+1

, Relative charge of a neutron

0




Relative charge of an electron

-1




Neutral atoms

same number of positive protons as negative electrons

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February 16, 2024
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