Final Exam Review

Question 0

Scientific method

Answer 0

Identify a problem
Form a hypothesis
Conduct an experiment
Analyze the data
Form a conclusion
Report results

Question 1

The study of chemistry

Answer 1

Chemistry is the study of the materials of the universe and the changes those materials undergo.

Question 2

Photon

Answer 2

Small packet of light

Question 3

Diatomic Molecules

Answer 3

Hydrogen
Nitrogen
Oxygen 
Florine
Chlorine
Bromine
Iodine

Question 4

Isotopes

Answer 4

Two atoms that have the same number of protons but a different number of neutrons

Question 5

Ions

Answer 5

Charged particles by adding or subtracting electrons from a neutral atom

Question 6

Ionic compounds

Answer 6

Compounds consisting of two ions bonding. Ions have opposite charges.

Question 7

Prefix for 1

Answer 7

Mono

Question 8

Prefix for 2

Answer 8

Di

Question 9

Prefix for 3

Answer 9

Tri

Question 10

Prefix for 4

Answer 10

Tetra

Question 11

Prefix for 5

Answer 11

Penta

Question 12

Prefix for 6

Answer 12

Hexa

Question 13

Prefix for 7

Answer 13

Hepta

Question 14

Prefix for 8

Answer 14

Octa

Question 15

Prefix for 9

Answer 15

Nona

Question 16

Prefix for 10

Answer 16

Deca

Question 17

Chemical change

Answer 17

Changes bonding

Question 18

Physical change

Answer 18

Does not change bonding

Question 19

Precipitation reaction

Answer 19

Two solutions are mixed and a solid is formed

Question 20

Double-displacement reaction

Answer 20

Two anions switch partners on right side of a balanced equation

Question 21

Acid-base reaction

Answer 21

Reactions between a strong acid and a strong base where water is formed

Question 22

Oxidation-reduction reaction

Answer 22

Reaction that involves the transfer of electrons

Question 23

Single displacement reaction

Answer 23

When a neutral atom replaces an ion

Question 24

Combustion reaction

Answer 24

A reaction sheer oxygen is involved and flames are produced or when carbon dioxide is released

Question 25

Synthesis reaction

Answer 25

When a compound is formed from two simpler reactants

Question 26

Decomposition reaction

Answer 26

Where a compound is broken done into simpler components

Question 27

Avogadro's number

Answer 27

6.022*10^23 atoms = 1 mole (mol)

Question 28

Mass percentage

Answer 28

Mass of element in one mole of a compound / total mass of 1 mole of compound