1.1 formulae, equations and amounts of substance Flashcards
(7 cards)
1
Q
molecular ion
A
two or more atoms covalently bonded with an overall charge
2
Q
Avogadro’s constant
A
number of atoms in 12.000g of carbon-12
3
Q
mole
A
the amount of substance which contains the Avogadro’s constant of atoms, molecules or groups of ions
4
Q
molar mass
A
the mass of one mole of a substance
5
Q
anhydrous (salt)
A
a salt which contains no water of crystallisation
6
Q
hydrated (salt)
A
a salt which contains water of crystallisation
7
Q
water of crystallisation
A
water chemically bonded within a crystal structure