Statistics for Chemistry Definitions

Click here to take the quiz!

Hint	Answer	% Correct
isotopes	atoms which have the same number of protons but different number of neutrons	100%
polar bond	a covalent bond in which there is unequal sharing of bonding electrons	0%
RFM	average mass of a formula unit relative to 1/12 of the mass of carbon-12	0%
RMM	average mass of a molecule relative to 1/12 of the mass of an atom of carbon-12	0%
first ionisation energy	energy required to convert 1 mole of gaseous atoms into gaseous ions with a single positive charge	0%
second ionisation energy	energy required to convert 1 mole of gaseous ions with a single positive charge into gaseous ions with a double positive charge	0%
delocalised electrons	outer electrons don't have fixed positions but move freely	0%
electronegativity	the extent to which an atom attracts the bonding electron in a covalent bond	0%
octet rule	when reacting, an atom tends to gain, lose or share electrons to achieve 8 in its outer shell	0%