ACS GEN CHEM 1 FINAL EXAM QUESTIONS
WITH 100% GUARANTEED VERIFIED
ANSWERS {2026/2027}
the physical material of the universe. It is anything that has mass and occupies space. - Correct
Answers -Matter
is made up of relatively few elements. - Correct Answers -Matter
The smallest building block of matter. Smallest particle that retains the chemical property of the
element (O, He, S). - Correct Answers -Atom
Each _______ is made of the same kind of atom - Correct Answers -Element
Combination of atoms held together in specific shapes - Correct Answers -Molecule
No fixed volume or shape, conforms to
volume and shape of container, is compressible - Correct Answers -Gas
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 Answers
-Liquid
Rigid with definite shape, very slightly compressible - Correct Answers -Solid
these stable diatomics - Correct Answers -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 Answers -Law of Constant (Definite) Composition
,characteristics of a substance. Can be observed without changing a substance into another
substance - Correct Answers -Physical Properties
Describes the reactivity of a substance. Can only be observed when a substance is changed into
another substance - Correct Answers -Chemical properties:
Does not depend on amount. - Correct Answers -Intensive property :
Depends on amount. - Correct Answers -Extensive property
Substances transform into chemically different substances - Correct Answers -Chemical change
No change in chemical composition - Correct Answers -Physical change
How close to the true value a given measurement is. - Correct Answers -Accuracy
How well a number of independent measurements agree with one another. - Correct Answers -
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 Answers -J.J. Thompson
, Postulated a very small, dense nucleus with the electrons around the outside of the atom. Most
of the volume of the atom is empty space. - Correct Answers -Rutherford
Protons were discovered by______in 1919. - Correct Answers -Rutherford
Neutrons were discovered by________ in 1932. - Correct Answers -James Chadwick
1) All matter is made of atoms. Atoms are indivisible and indestructible.
2) All atoms of a given element are identical in mass and properties
3) Compounds are formed by a combination of two or more different kinds of atoms.
4) A chemical reaction is a rearrangement of atoms. - Correct Answers -Dalton's Atomic Theory
Organic alkANEs - Correct Answers -Mother Eats Peanut Butter:
Methane: CH4
Ethane: C2H6
Propane: C3H8
Butane: C4H10
...then greek prefixes
Uniform throughout, air, milk, sea water - Correct Answers -Homogeneous mixture
Not uniform, chocolate chip cookie - Correct Answers -Heterogenous mixture
WITH 100% GUARANTEED VERIFIED
ANSWERS {2026/2027}
the physical material of the universe. It is anything that has mass and occupies space. - Correct
Answers -Matter
is made up of relatively few elements. - Correct Answers -Matter
The smallest building block of matter. Smallest particle that retains the chemical property of the
element (O, He, S). - Correct Answers -Atom
Each _______ is made of the same kind of atom - Correct Answers -Element
Combination of atoms held together in specific shapes - Correct Answers -Molecule
No fixed volume or shape, conforms to
volume and shape of container, is compressible - Correct Answers -Gas
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 Answers
-Liquid
Rigid with definite shape, very slightly compressible - Correct Answers -Solid
these stable diatomics - Correct Answers -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 Answers -Law of Constant (Definite) Composition
,characteristics of a substance. Can be observed without changing a substance into another
substance - Correct Answers -Physical Properties
Describes the reactivity of a substance. Can only be observed when a substance is changed into
another substance - Correct Answers -Chemical properties:
Does not depend on amount. - Correct Answers -Intensive property :
Depends on amount. - Correct Answers -Extensive property
Substances transform into chemically different substances - Correct Answers -Chemical change
No change in chemical composition - Correct Answers -Physical change
How close to the true value a given measurement is. - Correct Answers -Accuracy
How well a number of independent measurements agree with one another. - Correct Answers -
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 Answers -J.J. Thompson
, Postulated a very small, dense nucleus with the electrons around the outside of the atom. Most
of the volume of the atom is empty space. - Correct Answers -Rutherford
Protons were discovered by______in 1919. - Correct Answers -Rutherford
Neutrons were discovered by________ in 1932. - Correct Answers -James Chadwick
1) All matter is made of atoms. Atoms are indivisible and indestructible.
2) All atoms of a given element are identical in mass and properties
3) Compounds are formed by a combination of two or more different kinds of atoms.
4) A chemical reaction is a rearrangement of atoms. - Correct Answers -Dalton's Atomic Theory
Organic alkANEs - Correct Answers -Mother Eats Peanut Butter:
Methane: CH4
Ethane: C2H6
Propane: C3H8
Butane: C4H10
...then greek prefixes
Uniform throughout, air, milk, sea water - Correct Answers -Homogeneous mixture
Not uniform, chocolate chip cookie - Correct Answers -Heterogenous mixture
