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WorksheetsElements, Compounds and Mixtures
Total questions: 31
Worksheet time: 40mins
Na2CO3
made up of?
H2SO4
In this diagram, X represents...
A compound
A mixture
An atom
An element
In this diagram, Y represents...
An element
A molecule
A compound
A mixture
This diagram represents...
An element
A molecule
A compound
A mixture of elements and compounds
Granite forms when magma cools slowly, deep underground, into large crystals composed of the minerals quartz, feldspar, and mica. How would granite be classified?
compound
heterogeneous mixture
homogeneous mixture
solution
The image shows the atomic arrangements of four different substances. Which are compounds and why?
hydrogen because it contains only one kind of atom
methane because it contains the maximum number of molecules
water and carbon dioxide because each contains a similar number of molecules
water, carbon dioxide, and methane because each contains more than one element
Ammonia is made up of two pure substances: nitrogen and hydrogen. What can be true for ammonia, nitrogen, and hydrogen?
Ammonia is a mixture, and nitrogen and hydrogen are elements.
Ammonia is a mixture, and nitrogen and hydrogen are compounds
Ammonia is a compound, and nitrogen and hydrogen are elements.
Ammonia is an element, and nitrogen and hydrogen are compounds.
Study the flow chart showing the organization of matter. What term is missing as indicated by the question mark in the flow chart?
compounds
metals
molecules
solutions
The table shows two sets of substances. Which terms best identify both sets?
Set 1: compounds; Set 2: elements
Set 1: elements; Set 2: compounds
Set 1: elements and compounds; Set 2: elements
Set 1: compounds; Set 2: elements and compounds
