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Chemistry AQA AS EXAM 2024 QUESTIONS WITH 100% CORRECT ANSWERS
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10
May 2024
2023/2024
A+
Mass number - ANSWERS Total number of protons and neutrons.
Atomic number - ANSWERS Numbers of protons in the nucleus and number of
electrons in shells.
Negative Ions - ANSWERS More electrons than protons.
Positive ions - ANSWERS More protons than electrons.
Relative isotopic mass - ANSWERS mass of an atom of an isotope of an element on a
scale where an atom of carbon12 is 12.
Relative atomic mass - ANSWERS average mass of an atom of an element on a scale
where an atom of carbon12 is ...
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