CHEM 101-Straighterline Exam 1 questions and answers with real solutions.
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CHEM 101-Straighterline
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CHEM 101-Straighterline
CHEM 101-Straighterline Exam 1 questions and answers with real solutions.
A substance in which the atoms or molecules are free to move relative to one another. It always assumes the shape and volume of its container. - correct
A substance in which the atoms or mol...
CHEM 101-Straighterline Exam 1 questions
and answers with real solutions.
A substance in which the atoms or molecules are free to move relative to one another. It
always assumes the shape and volume of its container. - correct answer.gas
A substance in which the atoms or molecules pack closer than a gas, but are still able to
freely move relative to one another. It exhibits a fixed volume, but not a fixed shape. -
correct answer.liquid
A substance in which the atoms or molecules are fixed at a specific position. It exhibits
a fixed volume and rigid shape. - correct answer.solid
A solid that has atoms and molecules in a repeatable pattern. - correct
answer.crystalline solid
A solid whose atoms or molecules are not arranged in a specific pattern. - correct
answer.amorphous solid
A substance does not vary its composition within the substance nor between samples of
the same substance. - correct answer.pure substance
A physical combination of substances in which each substance keeps its own physical
and chemical properties. - correct answer.mixture
A physical combination of substances of non-uniform composition. - correct
answer.heterogeneous mixture
, A physical combination of substances of uniform composition. - correct
answer.homogeneous mixture
A pure substance that cannot be broken into component parts. Examples include
helium, nitrogen, and oxygen. - correct answer.element
A pure substance made up of two or more elements. - correct answer.compound
A quantitative observation. - correct answer.measurement
Any division of a quantity that may be used in a measurement. - correct answer.unit
The SI unit for length. - correct answer.meter
The SI unit for time. - correct answer.second
The SI unit for mass. - correct answer.kilogram
The standard unit of measurement used to count atoms. - correct answer.mole
A unit system abbreviated as SI that is used by scientists. - correct answer.International
System of Units
A unit system of measurement used throughout the world. - correct answer.metric
system
A unit system of measurement mainly used in the United States. - correct
answer.english system
Changes the SI unit by a power of 10. - correct answer.prefix multiplier
An English temperature unit system used mainly in the United States. - correct
answer.fahrenheit
A combination of SI units. - correct answer.derived units
A metric temperature unit system used throughout the world. - correct answer.celsius
A derived unit defined as mass/volume. - correct answer.density
A property that does not depend on the amount of a substance. - correct
answer.intensive property
A property that depends on the amount of a substance. - correct answer.extensive
property
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