Basics of Chemistry

Question 1

Organic Chemistry

Answer 1

The study of substances that contain the element carbon.

Question 2

All things that were once alive (plants and animals) contain____

Answer 2

carbon.

Question 3

Organic substances that contain hydrogen and carbon can ____

Answer 3

burn.

Question 4

The bond between carbon and hydrogen is what makes something ____

Answer 4

organic.

Question 5

Gasoline, motor oil, plastics, synthetic fibers, pesticides, and fertilizers are all ____

Answer 5

organic.

Question 6

Hair color products, chemical textures, shampoo, conditions, styling aids, nail enhancements, and skin care products are ____

Answer 6

Organic Chemicals

Question 7

When applied to chemistry, the term “organic” does not mean ____

Answer 7

healthy or natural.

Question 8

Matter is ___

Answer 8

any substance that occupies space and has mass (weight) .

Question 9

Everything we know is either made of matter or ___

Answer 9

energy.

Question 10

Solids, liquids, and gases are the three states of ___

Answer 10

matter.

Question 11

Matter does not include ____

Answer 11

light and electricity.

Question 12

Elemental Molecule

Answer 12

A molecule containing two or more atoms of the same element.

Question 13

Compound Molecules

Answer 13

Chemical combination of two or more atoms of different elements in definite (fixed) proportions.

Question 14

States of matter all depend on ____

Answer 14

temperature.

Question 15

Vapors are ____

Answer 15

liquids that have undergone a physical change.

Question 16

Physical Properties

Answer 16

Characteristics that can be determined without a chemical reaction, and do not involve chemical change in substance.

Question 17

Chemical Properties

Answer 17

Can only be determined by a chemical reaction, and a chemical change in substances.

Question 18

Color, solubility, odor, density, melting point, boiling point, hardness, and glossiness are all examples of ____

Answer 18

Physical Properties

Question 19

Ability of iron to rust, wood to burn, or hair to change color through hair color and hydrogen peroxide are all examples of ____

Answer 19

Chemical Properties

Question 20

Physical forces cause ____

Answer 20

physical changes.

Question 21

Chemical reactions cause ____

Answer 21

chemical changes.

Question 22

Physical Change

Answer 22

A change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance.

Question 23

Chemical Change

Answer 23

A change in chemical composition or make up of a substance caused by chemical reactions or subtracting certain elements.

Question 24

A chemical reaction in which oxidation and reduction occur at the same time.

Answer 24

Oxidation Reduction

Question 25

Oxidizing agents ____

Answer 25

release oxygen.

Question 26

Hydrogen Peroxide is an example of an ____

Answer 26

oxidizing agent.