Definitions Flashcards
What is covalent radius
is the measure of the size of an atom
Ionisation energy
The energy required to remove one moles of electrons from one mole of gaseous atoms
Electronegativity
The measure of attraction an atom involved in a bond has for the electrons of the bond
Covalent bond
a result of two positive nuclei being held together by their common attraction for the shared pair of electrons
How do LDFs arise
They are formed as a result of the electrostatic attraction between temporary and induced dipoles caused by movement of electrons in atoms
Condensation reaction
when two molecules are joined together with the elimination of a small molecules
Hydrolysis reaction
when a molecule reacts with water to break down into smaller molecules
2 uses of fat and oils
a concentrated source of energy
essential for the transport and storage of fat soluble vitamins in the body
hard water
term used to describe water containing a high level of dissolved metal ions
what is a emulsifier
used to prevent non polar and polar liquids seperating
what is an emulsion
contains small droplets of one liquid dispersed into another liquid
what are essential amino acids
the body cannot produce them and must acquire them through diet
what is a essential oil
Concentrated extracts of the volatile, non water soluble aroma compounds from plants
state systematic name for isoprene
2-methylbuta-1,3-diene
Free radical
Highly reactive molecules with a unpaired electron
