Terms

Question 1

Mass number

Answer 1

Total number of protons and neutrons

Question 2

Atomic mass unit

Answer 2

Measures isotopic mass

Question 3

Atomic mass

Answer 3

Average isotopic mass

Question 4

Groups

Answer 4

Vertical columns

Question 5

Periods

Answer 5

Horizontal rows

Question 6

Avogadro constant

Answer 6

6.022 X 10^23

Question 7

Molar mass

Answer 7

Mass of 1 mol of atoms

Question 8

Formula mass

Answer 8

Mass of formula unit in amu
Ex:
Atomic mass NaCl: 22.9898 u + 35.453 u = 58.443 u

Question 9

Atomic number

Answer 9

of protons

Question 10

Naming Binary compounds of metals

Answer 10

1) write unmodified metal name first
2) write modified nonmetal name ending in -ide

Ex: NaCl - Sodium Chloride
MgI2 - Mafnesium Iodide
Al2O3 - Aluminum Oxide

Question 11

Naming binary compounds of two nonmetals

Answer 11

1) use prefixes
2) positive OS named first
3) second element modified to end with -ide
Ex: Dinitrogen Pentoxide - N2O5

Question 12

Naming binary acids

Answer 12

-dissolved in water
Prefix hydro- + root + suffix -ic + acid

Ex: HF - Hydrofluoric acid

Question 13

Prefixes for naming binary compounds of two nonmetals

Answer 13

1 - mono
2 - di
3 - tri
4 - tetra
5 - penta
6 - hexa
7 - hepta
8 - octa
9 - nona
10 - deca

Question 14

Naming hydrates

Answer 14

Compound name + (prefix- + hydrate)

Ex: CuSO4 • 5H2O - copper (II) sulfate pentahydrate

Question 15

Naming hydrocarbons

Answer 15

Word stem + -ane

Ex: methane

Question 16

Prefix for naming hydrocarbons

Answer 16

1 - Meth
2 - Eth
3 - Prop
4 - But
5 - Pent
6 - Hex
7 - Hept
8 - Oct
9 - Non
10 - Dec

Question 17

Naming oxoacids

Answer 17

“-ite” –> “-ous acid”

“-ate” –> “-ic acid”

Question 18

When to put (aq)

Answer 18

When it’s a strong electrolyte

Question 19

When to put (s)

Answer 19

When it’s a weak electrolyte

Question 20

When to put (l)

Answer 20

When it’s water

Question 21

When to put (g)

Answer 21

When it's Have No Fear Of Ice Clear Bear
Ex:
H2
F2
O2
I2
Cl2
Br2

Question 22

Molarity formula

Answer 22

M = amount of solute / volume of solution 
C = n / v

Question 23

Determining limiting reagent

Answer 23

If actual molB / molA required b / a, A is the limiting reagent

Question 24

Percent yield formula

Answer 24

% yield = (actual yield / theoretical yield) X 100%

Question 25

Theoretical yield is calculated based on the …

Answer 25

Limiting reagent

Question 26

Oxidation

Answer 26

Loss of electrons and increase in OS

Question 27

Reduction

Answer 27

Gain of electrons and decrease in OS

Question 28

Oxidant

Answer 28

Causes others to be oxidized

Gains electrons and is reduced

Question 29

Reductant

Answer 29

Causes others to be reduced

Loses electrons and is oxidized

Question 30

Balancing redox reaction

Answer 30

1) Split into half reactions to figure what’s oxidized and reduced
2) balance half reactions by
a) atoms other than H and O
b) O atoms by adding H2O
c) H from H2O by adding H+
3) balance each half equation for charge by adding e-
4) cancel out e- by multiplying them out