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19 questions
What is matter?
Anything that takes up space and has mass
A substance with fixed composition
Two or more substances physically combined
A mixture with variable composition
What is an element?
A substance with fixed composition
Two or more elements chemically combined
The simplest form of matter from which more complex substances are made
A mixture with variable composition
What is a compound?
A substance with fixed composition
Two or more elements chemically combined
The simplest form of matter from which more complex substances are made
A mixture with variable composition
What is a homogeneous mixture?
A mixture where components are evenly distributed
A mixture where substances are not evenly spread out
A mixture where small particles remain dispersed throughout
A mixture where larger particles settle out over time
What is a heterogeneous mixture?
A mixture where components are evenly distributed
A mixture where substances are not evenly spread out
A mixture where small particles remain dispersed throughout
A mixture where larger particles settle out over time
What is a colloid?
A mixture where components are evenly distributed
A mixture where substances are not evenly spread out
A mixture where small particles remain dispersed throughout
A mixture where larger particles settle out over time
Classify the matter flow chart:
Different substances
Same substances
Fixed proportion
Physically combined
on the PT
Chemically
atom | a substance that consists of just one type of atom | ||
matter | a small particle that is a building block of matter | ||
element | a combination of two or more substances physically blended together | ||
mixture | anything that has mass and takes up space |
A chemical formula represents the different
substances in a mixture.
properties of an element.
parts that make up an atom.
elements that make up compounds.
Which item is a substance?
aluminum
apple juice
muddy water
H2O is an example of
an atomic number.
an element symbol.
a chemical formula.
When different atoms combine _______ are formed.
compounds
elements
heterogeneous mixtures
homogeneous mixtures
Any material consisting of only one type of atom is classified as what?
A compound
An element
A heterogeneous mixture
A homogeneous mixture
What is the difference between an element and a compound?
Elements are made of more than one atom.
Compounds have uniform composition.
Compounds are made of more than one type of atom.
Only elements are pure substances.
_______ can be separated by physical means.
An element
A compound
Pure substances
Mixtures
A colloid is a homogeneous mixture.
True
False
A suspension is a homogeneous mixture.
True
False
Which of the following are considered homogeneous mixtures: (a) (b) (c)
Which of the following are considered heterogeneous mixtures: (a) (b) (c)
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