ACS GEN CHEM 1 FINAL 2024/2025
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the physical material of the universe. It is anything that has mass and occupies
space. - 🧠ANSWER ✔✔Matter
is made up of relatively few elements. - 🧠ANSWER ✔✔Matter
The smallest building block of matter. Smallest particle that retains the chemical
property of the element (O, He, S). - 🧠ANSWER ✔✔Atom
Each _______ is made of the same kind of atom - 🧠ANSWER ✔✔Element
Combination of atoms held together in specific shapes - 🧠ANSWER ✔✔Molecule
No fixed volume or shape, conforms to
volume and shape of container, is compressible - 🧠ANSWER ✔✔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 - 🧠ANSWER ✔✔Liquid
Rigid with definite shape, very slightly compressible - 🧠ANSWER ✔✔Solid
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,these stable diatomics - 🧠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 - 🧠ANSWER ✔✔Law of Constant (Definite)
Composition
characteristics of a substance. Can be observed without changing a substance
into another substance - 🧠ANSWER ✔✔Physical Properties
Describes the reactivity of a substance. Can only be observed when a substance
is changed into another substance - 🧠ANSWER ✔✔Chemical properties:
Does not depend on amount. - 🧠ANSWER ✔✔Intensive property :
Depends on amount. - 🧠ANSWER ✔✔Extensive property
Substances transform into chemically different substances - 🧠ANSWER
✔✔Chemical change
No change in chemical composition - 🧠ANSWER ✔✔Physical change
How close to the true value a given measurement is. - 🧠ANSWER ✔✔Accuracy
How well a number of independent measurements agree with one another. -
🧠ANSWER ✔✔Precision
Electrons were discovered by ______ in 1897, while
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, Millikan's Oil Drop experiment determined its charge.
• Neutrons were discovered by James Chadwick in 1932. - 🧠ANSWER ✔✔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. - 🧠ANSWER
✔✔Rutherford
Protons were discovered by______in 1919. - 🧠ANSWER ✔✔Rutherford
Neutrons were discovered by________ in 1932. - 🧠ANSWER ✔✔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.
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619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
Exam Questions and Answers 100%
Guaranteed Success | Already Rated A+
the physical material of the universe. It is anything that has mass and occupies
space. - 🧠ANSWER ✔✔Matter
is made up of relatively few elements. - 🧠ANSWER ✔✔Matter
The smallest building block of matter. Smallest particle that retains the chemical
property of the element (O, He, S). - 🧠ANSWER ✔✔Atom
Each _______ is made of the same kind of atom - 🧠ANSWER ✔✔Element
Combination of atoms held together in specific shapes - 🧠ANSWER ✔✔Molecule
No fixed volume or shape, conforms to
volume and shape of container, is compressible - 🧠ANSWER ✔✔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 - 🧠ANSWER ✔✔Liquid
Rigid with definite shape, very slightly compressible - 🧠ANSWER ✔✔Solid
Page 1 of 19
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
,these stable diatomics - 🧠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 - 🧠ANSWER ✔✔Law of Constant (Definite)
Composition
characteristics of a substance. Can be observed without changing a substance
into another substance - 🧠ANSWER ✔✔Physical Properties
Describes the reactivity of a substance. Can only be observed when a substance
is changed into another substance - 🧠ANSWER ✔✔Chemical properties:
Does not depend on amount. - 🧠ANSWER ✔✔Intensive property :
Depends on amount. - 🧠ANSWER ✔✔Extensive property
Substances transform into chemically different substances - 🧠ANSWER
✔✔Chemical change
No change in chemical composition - 🧠ANSWER ✔✔Physical change
How close to the true value a given measurement is. - 🧠ANSWER ✔✔Accuracy
How well a number of independent measurements agree with one another. -
🧠ANSWER ✔✔Precision
Electrons were discovered by ______ in 1897, while
Page 2 of 19
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, Millikan's Oil Drop experiment determined its charge.
• Neutrons were discovered by James Chadwick in 1932. - 🧠ANSWER ✔✔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. - 🧠ANSWER
✔✔Rutherford
Protons were discovered by______in 1919. - 🧠ANSWER ✔✔Rutherford
Neutrons were discovered by________ in 1932. - 🧠ANSWER ✔✔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.
Page 3 of 19
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619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
