Atoms, Compounds, Mixtures Flashcards
1
Q
atom
A
smallest part of an element
2
Q
element
A
substance of only one type of atom
3
Q
groups
A
elements with similar chemical properties
4
Q
compounds
A
different chemically bonded atoms
5
Q
law of conservation of mass
A
mass of reactants = mass of products
6
Q
filtration
A
separation of an insoluble substance from other soluble substances in a solvent
6
Q
mixture
A
2 or more substances
7
Q
crystallisation
A
evaporation water from a NaCl solution
8
Q
chromatography
A
distance travelled up paper determined by relative solubility of mixture in solvent
9
Q
distillation
A
collection of a solvent via evaporation and condensing
10
Q
fractional distillation
A
separation of miscible liquids with similar boiling points via temperature gradient