General Chemistry Chapter 1

Topics: Chemistry, Temperature, Molecule Pages: 6 (468 words) Published: September 27, 2014
1.

2.

Qualitative

Density

3.

4.

Potential energy

chemical equation

5.

6.

kinetic energy

physical properties

7.

8.

particulate

submicroscopic

9.

10.

hypothesis

intensive properties

2.

The ratio of the mass of an object to its
volume

4.

A written representation of a chemical
reaction, showing the reactants and
products, their physical states, and the
direction in which the reaction proceeds

6.

1.

Nonnumerical experimental observations,
such as descriptive or comparative data

3.

The energy that results from an object’s
position

5.

Properties of a substance that can be
observed and measured without changing
the composition of the substance

The energy of a moving object,
dependent on its mass and velocity

8.

7.

Representations of chemical phenomena
in terms of atoms and molecules; also
called particulate level

Representations of chemical phenomena
in terms of atoms and molecules; also
called submicroscopic level

10.

9.

Physical properties that do not depend on
the amount of matter present

A tentative explanation or prediction
based on experimental observations

11.

12.

homogeneous

physical changes

13.

14.

theory

elements

15.

16.

17.

18.

ions

law

products

chemical change

19.

20.

kinetic-molecular theory of matter

reactants

12.

11.

A change that involves only physical
properties

A mixture in which the properties are the
same throughout, regardless of the
optical resolution used to examine it

14.

13.

Matter that is composed of only one kind
of atom

A unifying principle that explains a body
of facts and the laws based on them

16.

15.

A concise verbal or mathematical
statement of a relation that is always the
same under the same conditions

18.

An atom or group of atoms that has lost
or gained one or more electrons so that it
is no longer electrically neutral

17.

A change that involves the transformation
of one or more substances into one or
more different substances

A substance formed in a chemical reaction

20.

19.

A starting substance in a chemical
reaction

A theory of the behavior of matter at the
molecular level

21.

22.

macroscopic

temperature

23.

24.

heterogeneous

molecules

25.

26.

atom

Quantitative

27.

28.

solution

Extensive properties

22.

21.

A physical property that determines the
direction of heat flow in an object on
contact with another object

Processes and properties on a scale large
enough to be observed directly

24.

23.

The smallest unit of a compound that
retains the composition and properties of
that compound

A mixture in which the properties in one
region or sample are different from those
in another region or sample

26.

25.

Numerical experimental data, such as
measurements of changes in mass or
volume

28.

Physical properties that depend on the
amount of matter present

The smallest particle of an element that
retains the characteristic chemical
properties of that element

27.

A homogeneous mixture in a single phase

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