Glossary

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specific heat

Subject: 

  • Physical Sciences

the amount of energy required to change the temperature of a substance.

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weak base
Subject:
Physical Sciences

bases that only partially ionise e.g. H2O.

radical reactions
Subject:
Physical Sciences

reactions in which bonds break to form products with unpaired electrons.

alkynes
Subject:
Physical Sciences

a group of organic compounds having a triple bond between two carbons.

molecular formula
Subject:
Physical Sciences

a chemical formula that gives the exact number of different atoms in a molecule .

essential elements
Subject:
Physical Sciences

elements that are essential to sustain life.