Chemistry

Question 1

What is Chemistry?

Answer 1

The science that deals with the composition, structures, and properties of matter and how matter changes under different chemical conditions.

Question 2

What is a substance used in, or produced by, the processes of chemistry ?

Answer 2

Chemical

Question 3

What is Organic Chemistry ?

Answer 3

The study of living or previously living organisms containing carbon

Question 4

Inorganic Chemistry

Answer 4

studies substances that do not contain carbon and are not living or alive

Question 5

Matter

Answer 5

A substance that has mass and occupies space

Question 6

The simplest form of matter (cannot be broken down)

Answer 6

Element

Question 7

What is an atom?

Answer 7

the smallest chemical part of an element (all matter consists of atoms)

Question 8

positively charges particles found in the nucleus

Answer 8

Protons

Question 9

What are neutrons?

Answer 9

neutral particles found in the nucleus

Question 10

Atoms are made up of?

Answer 10

Protons, neutrons, electrons, ions, molecules, compound molecules

Question 11

What are ions?

Answer 11

Atoms containing an excess amount of electrons (or not enough) in their orbiting paths

Question 12

Positively charges ions (atoms decrease in electrons)

Answer 12

Negatively charged ions (atoms increase in electrons)

Question 13

A molecule…

Answer 13

Is created when one or more atoms combine to retain their chemical and physical properties to form matter

Question 14

What are Compound Molecules?

Answer 14

Chemical substances consisting of atoms or ions of two or more elements in definite proportions that cannot be separated by physical means.

Question 15

Can Compound Molecules be separated by physical means?

Answer 15

No.

Question 16

Provide an example of a Compound Molecule.

Answer 16

Hydrogen peroxide.

Question 17

What elements are present in hydrogen peroxide?

Answer 17

Two hydrogen and two oxygen molecules.

Question 18

the chemical reaction that occurs when oxygen is released from a substance

Answer 18

Oxidation

Question 19

What is combustion?

Answer 19

the rapid oxidation of any substance accompanied by the production of heat and light

Question 20

Pure substances

Answer 20

Matter that is made up of the same particle & have a definite chemical and physical property

Question 21

what is a stable mixture of two or more substances?

Answer 21

Solution

Question 22

A solvent is..

Answer 22

A substance that is capable of dissolving another substance

Question 23

Ammonia

Answer 23

An organic compound of colorless gas with a strong, pungent odor (composed of nitrogen and hydrogen)

Question 24

What can be used to neutralize acids or raise the pH. (Less odor & can be used in place of ammonia)

Answer 24

Alkanolamines (viscous, water-soluble amino acids)

Question 25

Aniline Derivatives

Answer 25

small compounds, aka uncolored dye precursors (hair molecules), found in permanent haircolor.

Question 26

______________ is a mixture in which small particles of a substance are dispersed throughout gas or liquid

Answer 26

Suspension

Question 27

What is Emulsion?

Answer 27

the suspension of one liquid in another with will not mix. Ex. Oil in water. Emulsifier is an ingredient that is used to keep the two incompatible substances together

Question 28

Paraphenylenediamine & paratoluenediamine are ..

Answer 28

the two types of dye molecules used in analine derivative haircolors

Question 29

I’m