Font size
WorksheetsChemistry Fundamentals Quiz 1
Total questions: 21
Worksheet time: 11mins
What happens in all chemical changes?
A gas is produced.
Heat energy is given out.
Elements change into a compound.
One or more new substances are formed.
A compound contains:
only one type of atom.
only one element.
only two elements joined together.
at least two elements joined together.
Which of the following particle diagrams show molecules of a mixture of elements?
Diagram A
Diagram B
Diagram C
Diagram D
The particle diagram above shows:
an element.
a compound.
a mixture of elements.
a mixture of compounds.
The correct way to write the chemical symbol for the element calcium is:
ca
CA
Ca
cA
Which of these elements is used to build bridges?
Iron
Gold
Oxygen
Carbon
Which list contains only non-metal elements?
oxygen, nitrogen, argon, silicon
chlorine, oxygen, sulfur, iron
bromine, helium, carbon, air
gold, silver, platinum, mercury
Which list contains only typical properties of metals?
good conductor of heat, brittle, low melting point
poor conductor of heat, strong, high melting point
good conductor of electricity, strong, high melting point
poor conductor of electricity, weak, low melting point
Which of the following lists contains only elements?
air, iron, iodine, magnesium
zinc, gold, aluminium, oxygen
When metals and non-metals form a compound, the compound will usually:
be easily broken up.
have the same properties as the elements.
take up a larger volume than the elements.
have different properties to the elements.
Which of the following shows the particles in a mixture of compounds?
Option A from the diagram.
Option B from the diagram.
Option C from the diagram.
Option D from the diagram.
When iron and sulfur react they form:
a new element.
a mixture of elements.
a new compound.
a mixture of compounds.
The reaction between calcium and oxygen forms:
calcium oxate.
calcium oxide.
calcium oxygen.
calcium carbonate.
The breakdown of a compound into simpler substances is called a thermal:
filtration.
precipitation.
elementation.
decomposition.
When iron and sulfur are mixed and heated, what changes might you see to tell you a reaction has started?
A gas is given off.
A solid is formed.
The mixture changes into a liquid.
The mixture glows red.
What is the missing substance in the equation below? copper carbonate → copper oxide + (a)
To break down the compound silver oxide into its elements you would need to:
(a)
What is the result of a chemical reaction between hydrogen and oxygen?
Hydrogen oxide
Hydrogen oxygen
Water
Hydrogen carbonate
What is the result of a chemical reaction between sodium and chlorine?
Sodium chloride
Sodium chlorine
Salt
Sodium carbonate
What happens when a metal reacts with oxygen?
It forms a metal oxide.
It forms a metal oxygen.
It forms a metal hydroxide.
It forms a metal carbonate.
What is the chemical symbol for the element Oxygen?
O
o
Ox
OX
