Chemistry Terms

Question 1

Matter

Answer 1

Anything that has mass and takes up space

Question 2

Organic Chemistry

Answer 2

The study of all chemicals containing carbon

Question 3

Chemistry

Answer 3

The study of the properties of matter and how matter changes

Question 4

Inorganic Chemistry

Answer 4

The study of substances that, in general, do not contain carbon

Question 5

Biochemistry

Answer 5

The study of substances and processes occuring in living things

Question 6

Analytical Chemistry

Answer 6

The area of chemistry that focuses on the composition of matter

Question 7

Physical Chemistry

Answer 7

The area that deals with the mechanism, rate, and energy transfer that occurs when matter undergoes a change

Question 8

Pure Chemistry

Answer 8

The pursuit of chemical knowledge for its own sake

Question 9

Applied Chemistry

Answer 9

Research that is directed toward a practical goal or application

Question 10

Technology

Answer 10

Way a Society provides its members with their needs and desires

Question 11

Scientific Method

Answer 11

A logical, systematic approach to the solution of a scientific problem

Question 12

Hypothesis

Answer 12

A proposed explanation for an observation

Question 12

Observation

Answer 12

Information obtained through the senses.

Question 12

Independent variable

Answer 12

Variable that is changed during an experiment

Question 12

Experiment

Answer 12

A procedure that is used to test a hypothesis

Question 12

Model

Answer 12

A representation of an object or event

Question 12

Dependent variable

Answer 12

Variable that is observed during an experiment

Question 12

Volume

Answer 12

The amount of space an object occupies

Question 12

Theory

Answer 12

Well-tested explanation that unifies a broad range of observations

Question 12

Mass

Answer 12

A measure of the amount of matter in an object

Question 12

Scientific law

Answer 12

A concise statement that summarizes the results of many observations and experiments

Question 13

Extensive property

Answer 13

A property that depends on the amount of matter in a sample

Question 13

Intensive property

Answer 13

A property that depends on the type of matter in a sample, not the amount of matter

Question 13

Substance

Answer 13

Matter that has a uniform and definite composition

Question 13

Physical property

Answer 13

A quality or condition of a substance that can be observed or measured without changing the substance's composition

Question 13

Solid

Answer 13

A form of matter that has a definite shape and volume

Question 13

Liquid

Answer 13

A state of matter that has a definite volume but no definite shape.

Question 13

Gas

Answer 13

State of matter that takes up the shape and volume of its container

Question 14

Physical change

Answer 14

A change in a substance that changes its properties, but not the composition (types- irreversible, reversible)

Question 14

Vapor

Answer 14

The gaseous state of a substance that is generally a liquid or solid at room temperature, like water vapor.

Question 15

Mixture

Answer 15

A physical blend of two or more components

Question 15

Heterogeneous mixture

Answer 15

A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture

Question 15

Homogeneous mixture

Answer 15

A mixture in which substances are evenly distributed throughout the mixture, is uniform in composition

Question 15

Solution

Answer 15

Other name for homogeneous mixture

Question 16

Phase

Answer 16

A part of a sample with uniform composition and properties. 1 in a homogeneous mixture, and 2 or more in a heterogeneous mixture.

Question 16

Dissilation

Answer 16

Boiling liquid to make vapor that condenses into a liquid

Question 16

Filtration

Answer 16

Process that separates solids from liquids in a hetero mixture

Question 16

Compound

Answer 16

A substance that is made up of 2 or more elements chemically combined in a fixed proportion

Question 16

Chemical change

Answer 16

Change that produces matter with different composition that the original matter

Question 16

Element

Answer 16

The simplest form of matter that has a unique set of properties

Question 16

Chemical symbol

Answer 16

A one or two letter representation of an element

Question 16

Period

Answer 16

A horizontal row of elements in the periodic table

Question 16

Group

Answer 16

A column on the periodic table

Question 17

Chemical reaction

Answer 17

Another name for a chemical change

Question 17

Chemical property

Answer 17

The ability of a substance to undergo a specific chemical change

Question 17

Product

Answer 17

A substance produced in a chemical reaction

Question 17

Precipitant

Answer 17

Solid that forms and settles from a liquid mixture

Question 17

Reactant

Answer 17

A chemical substance that is present at the start of a chemical reaction

Question 17

Periodic table

Answer 17

Arrangement of elements separated into groups based off of a set of repeating properties

Question 17

Law of Conservation of Mass

Answer 17

Mass is not created nor destroyed in any chemical or physical change, mass is conserved