Honors Chem. Unit 1 Test 2025
Questions and Answers
anything that has mass and takes up space - ANSWER-matter
the smallest unit of an element that maintains the chemical identity of that element
- ANSWER-atom
the mass per unit volume of a substance - ANSWER-density
a pure substance that cannot be broken down into simple substances and is made
of one type of atom - ANSWER-element
a substance that can be broken down in simple substances and it is made of two or
more elements that are chemically bonded - ANSWER-compound
depend upon the amount of the substances present - ANSWER-extensive property
examples of the extensive property - ANSWER-mass, volume, energy
independent of the amount of the substance that is present - ANSWER-intensive
property
examples of the intensive property - ANSWER-mass, volume, energy, etc.
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, the characteristics of matter that can be changed without changing its composition;
characteristics that are directly observable - ANSWER-physical property
changes in matter that do not change the composition of a substance - ANSWER-
physical change
examples of physical change - ANSWER-changes of state, temperature, volume
a substance's ability to undergo changes that transform into different substances -
ANSWER-chemical property
examples of the chemical property - ANSWER-flammability, rusting of steel, and
the digestion of food
changes that result in new substances. the substances that react are reactants and
those formed are products - ANSWER-chemical change
examples of chemical change - ANSWER-combustion, oxidation, decomposition
the physical process where matter moves from one state to another - ANSWER-
change of state
examples of change of state - ANSWER-melting, evaporating, boiling, feezing
matter with definite volume and shape - ANSWER-solid
matter with definite volume but indefinite shape - ANSWER-liquid
matter that has neither definite volume nor definite shape - ANSWER-gas
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Questions and Answers
anything that has mass and takes up space - ANSWER-matter
the smallest unit of an element that maintains the chemical identity of that element
- ANSWER-atom
the mass per unit volume of a substance - ANSWER-density
a pure substance that cannot be broken down into simple substances and is made
of one type of atom - ANSWER-element
a substance that can be broken down in simple substances and it is made of two or
more elements that are chemically bonded - ANSWER-compound
depend upon the amount of the substances present - ANSWER-extensive property
examples of the extensive property - ANSWER-mass, volume, energy
independent of the amount of the substance that is present - ANSWER-intensive
property
examples of the intensive property - ANSWER-mass, volume, energy, etc.
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, the characteristics of matter that can be changed without changing its composition;
characteristics that are directly observable - ANSWER-physical property
changes in matter that do not change the composition of a substance - ANSWER-
physical change
examples of physical change - ANSWER-changes of state, temperature, volume
a substance's ability to undergo changes that transform into different substances -
ANSWER-chemical property
examples of the chemical property - ANSWER-flammability, rusting of steel, and
the digestion of food
changes that result in new substances. the substances that react are reactants and
those formed are products - ANSWER-chemical change
examples of chemical change - ANSWER-combustion, oxidation, decomposition
the physical process where matter moves from one state to another - ANSWER-
change of state
examples of change of state - ANSWER-melting, evaporating, boiling, feezing
matter with definite volume and shape - ANSWER-solid
matter with definite volume but indefinite shape - ANSWER-liquid
matter that has neither definite volume nor definite shape - ANSWER-gas
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
