Exam 2

Question 1

How do you find Volume

Answer 1

Volume = Mass/Density

Question 2

Length

Answer 2

Meter

Question 3

Mass

Answer 3

Kilograms

Question 4

Temperature

Answer 4

Kelvin

Question 5

Time

Answer 5

Seconds

Question 6

Volume

Answer 6

Meters^3
Cubic Meters

Question 7

Speed

Answer 7

Distance/time
Length/time

Question 8

Density =

Answer 8

Mass / Volume
DMV
Ex. Kg/m^3

Question 9

Atomic #

Answer 9

of protons in nucleus

Also the number of electrons

Question 10

Mass #

Answer 10

of Protons PLUS # of Neutrons

MASS#= PROTONS+NUETRONS
MPN

Question 11

Isotopes

Answer 11

Same Atomic #
Different Mass #

Question 12

Atomic #

Answer 12

Ape
# of protons+ in the nucleus
Which is also the # of electrons-

Question 13

Periodic Table Horizontal Rows

Answer 13

Periods

Question 14

Periodic Table Vertical Columns

Answer 14

Groups or Families

Question 15

Group 1A

Answer 15

Alkali Metals

Question 16

Group 2A

Answer 16

Alkaline Earth Metals

Question 17

Group 3B-2B

Answer 17

Transition Metals

Question 18

Group 7A

Answer 18

Halogens

Question 19

Group 8A

Answer 19

Noble Gases
Rare Gases
Inert Gases

Question 20

Left side of Periodic Table

Answer 20

Metals

Question 21

Right Side of Periodic Table

Answer 21

Non-Metals

Question 22

Staircase on Periodic Table

Answer 22

Metalloids
SemiMetals

Question 23

Period Table #s 57-71

Answer 23

Lanthanides

Question 24

Periodic Table #s 89-103

Answer 24

Actinides

Question 25

Halogen in Period 4?

Answer 25

Br
Bromine
Atomic #35
Atomic Mass 79.90

Question 26

7 Diatomic Molecules

Answer 26

2 or more atoms joined together by a band
Hydrogen(H) Nitrogen(N) Oxygen(O) Fluorine(F)
Chlorine(Cl) Bromine(Br) Iodine(I)

Question 27

Ions

Answer 27

Species charged when electrons are gained or lost

Question 28

Positively Charged Ions

Answer 28

Cations

Question 29

Negatively Charged Ions

Answer 29

Anions

Question 30

Molecular Formula

Answer 30

Exact # of atoms of each element

Question 31

Empirical

Answer 31

Simplest whole # ratio of atoms of each element

Question 32

Cations

Answer 32

Ic is greater than ous

Question 33

Ferrous
Ferric

Answer 33

-ic = Iron 3
-ous = Iron 2

Ic is greater than us

Question 34

Prefixes
1
2
3
4
5
6
7
8, 9, 10

Answer 34

Mono
Di
Tri
Tetra
Penta
Hexa
Hepta
Octa
Nona
Deca

Question 35

Binary covalent compounds

Answer 35

Do no involve metals or ions
Ex CO2 carbon dioxide
CO carbon monoxide

Question 36

Polyatomic Ions

Answer 36

Ions made up of many atoms
Ammonium NH4+
Nitrite NO2- Nitrate NO3-
Sulfite SO3-2 Sulfate SO4-3
Hydrogen Sulfate HSO4-
Hydroxide OH-
Cyanide CN-
Phosphate PO4-3Hydrogen Phosphate HPO4-2
CO3-2 Carbonate CrO4-3 Chromate
Cr2O7-2 DiChromate
MnO4- Permanganate C2H3O2- Acetate
ClO4- Perchlorate ClO3- Chlorate ClO2-Chlorite
ClO- HypoChlorite HCO3- Hydrogen Carbonate
Mg(NO2)2 Magnesium Nitrate
NaNO3 Sodium Nitrate

Question 37

Pb(SO3)2

Answer 37

Lead IV Sulfite
Lead 4 Sulfite
Plumbic Sulfite

Question 38

Binary Covalent Compounds

Answer 38

No metals / no ions
N2O5 dinitrogen pentoxide
CO2 Carbon Dioxide
N3O7 TriNitrogen heptoxide

Question 39

Bases

Answer 39

Name metal with Hydroxide
NaOH Sodium Hydroxide
Fe(OH)3 Ferric Hydroxide
Or Iron III Hydroxide (Iron 3 Hydroxide)

Question 40

Ionic

Answer 40

Metal & non metal
Metal forms only positive ion
Na3P Sodium Phosphide
SO3 Sulfur Trioxide
CuSO4 Copper II Sulfate or Cupric Sulfate

Question 41

Covalent

Answer 41

2 non-metal
Water, Chlorine, Nitrogen Gas, Ammonia

Question 42

1 mole =

Answer 42

6.02 x 10^23 atoms

Question 43

Moles to Atoms

Answer 43

1.0 mol of H2O x
2 mol H atoms/ 1 mol H2O X
6.02 x10^23 atoms of H/1 mol H atoms =1.2x10^24 atoms of H