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Mastering the ACS Gen Chem 1 Final: Tips and Practice for
Success
the physical material of the universe. It is anything that has mass and occupies space. - CORRECT ANSWER✔✔Matter
is made up of relatively few elements. - CORRECT ANSWER✔✔Matter
The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). - CORRECT ANSWER✔✔Atom
Each _______ is made of the same kind of atom - CORRECT ANSWER✔✔Element
Combination of atoms held together in specific shapes - CORRECT ANSWER✔✔Molecule
No fixed volume or shape, conforms to
volume and shape of container, is compressible - CORRECT ANSWER✔✔Gas
BEST OF LUCK
, 2
Individual particles are confined to a given volume, liquid flows (no definite shape) and assumes the shape of its container up to the volume of the liquid,
slightly compressible - CORRECT ANSWER✔✔Liquid
Rigid with definite shape, very slightly compressible - CORRECT ANSWER✔✔Solid
these stable diatomics - CORRECT ANSWER✔✔H2,O2, N2, and the Halogens (F2, Cl2, Br2, I2)
Different samples of any pure compound contain the same elements in the same proportion by mass - CORRECT ANSWER✔✔Law of Constant (Definite)
Composition
characteristics of a substance. Can be observed without changing a substance into another substance - CORRECT ANSWER✔✔Physical Properties
Describes the reactivity of a substance. Can only be observed when a substance is changed into another substance - CORRECT ANSWER✔✔Chemical
properties:
Does not depend on amount. - CORRECT ANSWER✔✔Intensive property :
BEST OF LUCK
, 3
Depends on amount. - CORRECT ANSWER✔✔Extensive property
Substances transform into chemically different substances - CORRECT ANSWER✔✔Chemical change
No change in chemical composition - CORRECT ANSWER✔✔Physical change
How close to the true value a given measurement is. - CORRECT ANSWER✔✔Accuracy
How well a number of independent measurements agree with one another. - CORRECT ANSWER✔✔Precision
Electrons were discovered by ______ in 1897, while
Millikan's Oil Drop experiment determined its charge.
• Neutrons were discovered by James Chadwick in 1932. - CORRECT ANSWER✔✔J.J. Thompson
BEST OF LUCK
Mastering the ACS Gen Chem 1 Final: Tips and Practice for
Success
the physical material of the universe. It is anything that has mass and occupies space. - CORRECT ANSWER✔✔Matter
is made up of relatively few elements. - CORRECT ANSWER✔✔Matter
The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). - CORRECT ANSWER✔✔Atom
Each _______ is made of the same kind of atom - CORRECT ANSWER✔✔Element
Combination of atoms held together in specific shapes - CORRECT ANSWER✔✔Molecule
No fixed volume or shape, conforms to
volume and shape of container, is compressible - CORRECT ANSWER✔✔Gas
BEST OF LUCK
, 2
Individual particles are confined to a given volume, liquid flows (no definite shape) and assumes the shape of its container up to the volume of the liquid,
slightly compressible - CORRECT ANSWER✔✔Liquid
Rigid with definite shape, very slightly compressible - CORRECT ANSWER✔✔Solid
these stable diatomics - CORRECT ANSWER✔✔H2,O2, N2, and the Halogens (F2, Cl2, Br2, I2)
Different samples of any pure compound contain the same elements in the same proportion by mass - CORRECT ANSWER✔✔Law of Constant (Definite)
Composition
characteristics of a substance. Can be observed without changing a substance into another substance - CORRECT ANSWER✔✔Physical Properties
Describes the reactivity of a substance. Can only be observed when a substance is changed into another substance - CORRECT ANSWER✔✔Chemical
properties:
Does not depend on amount. - CORRECT ANSWER✔✔Intensive property :
BEST OF LUCK
, 3
Depends on amount. - CORRECT ANSWER✔✔Extensive property
Substances transform into chemically different substances - CORRECT ANSWER✔✔Chemical change
No change in chemical composition - CORRECT ANSWER✔✔Physical change
How close to the true value a given measurement is. - CORRECT ANSWER✔✔Accuracy
How well a number of independent measurements agree with one another. - CORRECT ANSWER✔✔Precision
Electrons were discovered by ______ in 1897, while
Millikan's Oil Drop experiment determined its charge.
• Neutrons were discovered by James Chadwick in 1932. - CORRECT ANSWER✔✔J.J. Thompson
BEST OF LUCK
