Topic 1 Flashcards
1
Q
Atom
A
A really small particle
2
Q
Isotope
A
Atoms of an element with different numbers of neutrons
3
Q
Ions
A
Atoms with a charge
4
Q
Element
A
Substances made up of atoms with the same atomic number
5
Q
Compound
A
Two or more elements chemically bonded together
6
Q
Mixture
A
Different elements or compounds not chemically bonded
7
Q
Electron
A
Negatively charged particle in the nucleus electrons flow around
8
Q
Proton
A
Positively charged particle electrons flow around
9
Q
Nuetron
A
No charge in the nucleus
10
Q
Period
A
Arrangement of elements
11
Q
Group
A
A column of elements in periodic table
12
Q
Nuclear model
A
Mass is concentrated in a positive with a cloud of electrons
13
Q
Filtration
A
Separating insoluble solids from liquids
14
Q
Evaporatoration
A
Seperates soluble salts from solutions
15
Q
Distillation
A
Liquid into vapour
