General Chemistry Chapter 1

Good Essays
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

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