GCSE Chemistry C1

Elements contain ? type/types of atom
1
2
4
Anything more than 1
Total mass of reactants= (answer in lowercase)
The states of matter are
Gas
Liquid
Water
Solid
Aqueous
Cells
Mixtures can be separated by:
Filtration
Melting
Crystalisation
Simple distillation
Condensating
? Distillation uses a column and boiling points (lowercase)
Some people who helped discover the atom are: (Be careful!!)
Protons have a relative charge of 1 and electrons -1
True
False
Atomic Number=
Number of protons
Number of electrons
Number of shells
Mass number=
Number of electrons = protons
Number of neutrons + electrons
Number of neutrons + protons
Number of neutrons
Atoms that loose electrons form ? ions
Atoms that gain electrons form ? ions
Isotopes are atoms of the same element with the same number of protons
True
False
Isotopes have identical ? properties, but their ? Properties differ
Physical, chemical
Chemical, physical
The max. Number of electrons in each shell is
1,2,3,4 etc.
2,8,8 etc.
10,20,30 etc
1,1,1,1,1,1 etc
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