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WorksheetsPure substance and mixture
Total questions: 10
Worksheet time: 3mins
An _______________ is made up of one or more of the same kind of atom chemically combined.
atom
element
molecule
compound
A ______________ is made up of different kinds of atoms chemically combined.
element
compound
mixture
molecule
True or False: elements AND compounds are pure substances.
True
False
A ______________ mixture is one that does not have a uniform composition.
heterogeneous
homogenous
pure substance
A _________________ mixture is one where the substances are evenly spread throughout.
heterogeneous
homogeneous
pure substance
Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.
heterogeneous
homogeneous
pure
Which of these is an element?
Salt (NaCl)
Water (H20)
Oxygen (O)
Carbon Dioxide (CO2)
Air is:
An element
A compound
A mixture
None of these
