F321 - Atoms and reactions glossary of definitions.

Here is my glossary of definitions for module 1 - Atoms and reactions of unit F321 of the OCR Chemistry A course (As).

Feel free to download. Please notify if you spot any errors, spelling, missed definitions (I'm pretty sure I've got them all!)

Cheers.

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  • Created by: _NMcC_
  • Created on: 04-05-15 18:26

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_NMcC_ OCR Chemistry As F321 Glossary ­ Mod 1- Atoms and reactions


Atoms and reactions

- All "Key definitions" taken from the Heinemann/OCR Chemistry As textbook
- Green = commonly asked definitions that I've noticed in PPs (I've looked through all
available from OCR and http://pastpapers.org/

(Do not ignore the…

Page 2

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_NMcC_ OCR Chemistry As F321 Glossary ­ Mod 1- Atoms and reactions




* - You can learn these 3 definitions using my own relative masses
definitions equation (it breaks them up) if you want.

X = "The weighted mean mass of..."

Y = "an atom of an element/a molecule/a formula…

Page 3

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_NMcC_ OCR Chemistry As F321 Glossary ­ Mod 1- Atoms and reactions


Molar gas volume ­ (Vm) ­ "Is the volume per mole of a gas. The units of molar
volume are dm3 mol-1. At room temperature and pressure (RTP), the molar
volume is approx. 24.0 dm3 mol-1."
- Note:…

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_NMcC_ OCR Chemistry As F321 Glossary ­ Mod 1- Atoms and reactions


Amphoteric ­ "A substance that can act as an acid or a base, e.g Amino acids."
­ My teacher gave me this definition. It's not on the spec but it may come in handy if OCR
use this…

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_NMcC_ OCR Chemistry As F321 Glossary ­ Mod 1- Atoms and reactions

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