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WorksheetsAtom, Element, Molecule, Compound, Mixture
Total questions: 27
Worksheet time: 13mins
What is a substance made of two or more elements that are chemically combined called?
A. element
B. compound
C. mixture
D. solution
Is salt (NaCI) a compound or an element?
Compound
element
What is the definition of a compound?
The smallest part of any substance which can exist on its own
Two or more atoms chemically joined together (can be the same or can be different)
A simple substance in which all the atoms are identical
Two or more different elements chemically joined together
What is the definition of a compound?
The smallest part of any substance which can exist on its own
Two or more atoms chemically joined together (can be the same or can be different)
A simple substance in which all the atoms are identical
Two or more different elements chemically joined together
A substance that cannot be broken down into any other substance by ordinary chemical means is called
a molecule.
a mixture.
an element.
a compound.
Two or more physically combined substances form
a compound.
an acid.
an element.
a mixture.
Two or more physically combined substances form
a compound.
an acid.
an element.
a mixture.
What is an example of a mixture?
Table salt
Water
Oxygen
Air
A compound is made of ________ atoms.
big
similar
different
The smallest unit of an element is
a compound.
a molecule.
an atom.
a mixture.
The smallest unit of a compound is
an element.
a molecule.
an atom.
a mixture.
True or False: All molecules are compounds.
true
false
True or false: Air is a mixture.
true
false
Which of the following is a mixture?
oxygen
gold
sand
water
Matter is anything that has mass and takes up space.
true
false
A compound is made of ________ atoms.
big
similar
different
The smallest unit of an element is
a compound.
a molecule.
an atom.
a mixture.
What does this illustrate
Elements
Compunds
Mixture of Elements and Compunds
Mixture of Compounds
Element, mixture, or compound?
element
mixture
compound
Element, mixture, or compound?
element
mixture
compound
