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WorksheetsChemistry Review
Total questions: 21
Worksheet time: 11mins
Define: Element
A pure substance composed of the same type of atom
A single particle composed of protons, neutrons and electrons
a group of atoms bonded together
A substance made of more than one type of atom
Define: Molecule
A pure substance composed of the same type of atom
A single particle composed of protons, neutrons and electrons
a group of atoms bonded together
A substance made of more than one type of atom
Define: Compound
A pure substance composed of the same type of atom
A single particle composed of protons, neutrons and electrons
a group of atoms bonded together
A substance made of more than one type of atom
Define: atom
A pure substance composed of the same type of atom
A single particle composed of protons, neutrons and electrons
a group of atoms bonded together
A substance made of more than one type of atom
Determine the chemical formula for the molecule below
CO2
C2O
Co2
co2
Symbol for Aluminium
Al
Au
Ag
Am
Symbol for Calcium
C
Ca
Ce
Cl
Symbol for Gold
Au
Ag
Go
Symbol for Helium
H
He
Hl
Hf
Symbol for Oxygen
O
O2
o
o2
Symbol for Magnesium
Mg
Mn
Mo
Mm
Match the symbol to the name : H
Hydrogen
Chlorine
Silver
Neon
Match the symbol to the name : Cl
Hydrogen
Chlorine
Silver
Neon
Match the symbol to the name : Ag
Hydrogen
Chlorine
Silver
Neon
Match the symbol to the name : Ne
Hydrogen
Chlorine
Silver
Neon
Calculate the number of Protons Neutrons and Electons in
44 Protons, 18 Neutrons, 44 electrons
18 Protons, 24 Neutrons, 24 electrons
18 Protons, 24 Neutrons, 18 electrons
24 Protons, 18 neutrons, 24 electrons
A substance made up of two or more pure substances that are loosely combined
Mixture
Solute
Solvent
Compound
Compounds
Have the same properties as the elements they are made from
have different properties as the elements they are made from
Impossible to describe
How are the electrons and the nucleus held together
Electrons are have opposite charge to the nucleus attracting it to the nucleus
They have similar electronic charge that attracts them togther
They are chemicall bonded to each other
Gravity pulls them together
Which of the following is not a property of metals
Ductile
Conductors
Brittle
Malleable
Which of the following is not a sign of chemical change
Colour change
Formation of a gas
Precipitate forms
No new substance is created
