CHEM 2060

Louisiana State University

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CHEM 2060CHEMISTRY- AS AS-Level Chemistry (New Spec) Notes. AS-LEVEL CHEMISTRY NOTES
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August 2021

2021/2022
SECTION 1: Atoms & Reactions 1 Atomic structure & Isotopes • Atoms are made up of protons, electrons and neutrons • Neutral atoms have the same number of protons and electrons • You can work out numbers of protons, electrons and neutrons from the element symbol • To find the total number of electrons for positive ions take away the same number of electrons from the atom (e g 3 from a 3+ ion) and for negative ions add the same number of electrons Particle | Position | Relative M...
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