Important Flashcards
(9 cards)
1
Q
Crystallisation point
A
The temperature at which solution is saturated
2
Q
Water of crystallisation
A
Water molecules present in hydrated crystals
3
Q
Saturated solution
A
A solution that can dissolve no more solute
4
Q
Why crystals forms when saturated solution cools down.
A
solubility decreases as temp decreases
5
Q
Define term of activation energy
A
Minimum amount of energy needed for colliding particles react.
6
Q
Electrolysis
A
Breakdown of molten or aqueous ionic compounds by electricity
7
Q
Isotopes
A
Atoms of the same element with the same number of protons and electrons and different number of neutrons
8
Q
Relative atomic mass
A
The average mass of the isotopes of an element compared to 1/12 the mass of a carbon-12 atom
9
Q
A
