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CHEM 120 Exam 1 questions and corranything that has mass and takes up spaceect answers2024/2025 latest edition. $7.99   Add to cart

Exam (elaborations)

CHEM 120 Exam 1 questions and corranything that has mass and takes up spaceect answers2024/2025 latest edition.

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  • CHEM 120
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  • CHEM 120

CHEM 120 Exam 1 questions and corranything that has mass and takes up spaceect answers2024/2025 latest edition.

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  • September 20, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CHEM 120
  • CHEM 120
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LecFionah
CHEM 120 Exam #1

define matter -ANSanything that has mass and takes up space



what is not considered matter? -ANSlight, heat, electricity



definite shape, definite volume -ANSsolid



indefinite shape, definite volume -ANSliquid



indefinite shape, indefinite volume -ANSgas



pure substance -ANSone substance; definite and constant composition; can't be separated into 2 kinds
of matter by physical means; single kind of matter



heterogeneous mixture -ANSnonuniform in appearance; visibly different phases



homogeneous mixture -ANSvisibly one distinct phase; uniform properties



examples of pure substances -ANSwater, sugar, table salt



examples of heterogeneous mixtures -ANStrail mix, chocolate chip cookies, cereal and mix



examples of homogeneous mixtures -ANSchocolate milk, orange juice, salt water



element v compound -ANScan't be broken down into simpler substances by chemical or physical means
-v- can be broken down into elements by chemical, but not physical means

, mixture v compound -ANSphysical combinations of substances -v- chemical combination of substances



most abundant elements in the universe as a whole plus in earth's crust -ANShydrogen and oxygen



two most abundant elements in the earth's crust -ANSoxygen and silicon



Ag -ANSsilver



Al -ANSaluminum



Ar -ANSargon



Au -ANSgold



B -ANSboron



Ba -ANSbarium



Be -ANSberyllium



Br -ANSbromine



C -ANScarbon



Ca -ANScalcium



Cl -ANSchlorine

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