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Chemistry F321 NOTES




UNIT F321 REVISION CHECKLIST (OCR `AS' CHEMISTRY)




Atomic Structure

The nucleus contains protons (positively charged) and neutrons (neutrally charged).
The atomic number (proton number) is equal to the number of protons in the atom's nucleus and
the amount of electrons orbiting the nucleus
The mass number is…

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Chemistry F321 NOTES




Electron -1 1/2000

Isotopes and Relative Masses

Isotopes are atoms that have the same number of protons but a different number of neutrons.
The relative atomic mass is the weighted mean mass of an atom of an element relative to C12.
The relative formula mass of a…

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Chemistry F321 NOTES

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Chemistry F321 NOTES




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Chemistry F321 NOTES

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