AP Chem Ch 1

Question 1

Halogens

Answer 1

Group 17

Question 2

Metalloid lines

Answer 2

Separates gases from non gases

Question 3

Diatomic

Answer 3

Hydrogen, Nitrogen, Oxygen, Florine, Chlorine, Bromine, Iodine

Question 4

Silver Ag

Answer 4

Ag+1

Question 5

Zinc Zn

Answer 5

Zn+2

Question 6

Prefixes

Answer 6

Mono = 1
Di = 2
Tri = 3
Tetra = 4
Penta = 5
Hexa = 6
Hepta = 7
Octa = 8
Nona = 9
Deca = 10

Question 7

Avogardos Number

Answer 7

6.022x10^23 items per mole

Question 8

Molar Volume

Answer 8

22.4 L/mol at STP

Question 9

Sig Figs

Answer 9

All known values plus one estimated value in a measurement

Question 10

Electromagnetic Spectrum

Answer 10

Shows types of light/radiation
Travel through space as waves

Question 11

High energy - low energy

Answer 11

Gamma
X rays
Ultra violet
Visible
Infrared
Micro
Radio

Question 12

1. Small wavelength =
2. Big wavelength =

Answer 12

1. High frequency
2. Low frequency

Question 13

Soluble (dissolves in water) ionic compounds and exceptions

Answer 13

NO3 - none
C2H3O2 - none
Cl - compounds of Ag+, Hg+2, and Pb+2
Br - compounds of Ag+, Hg+2, and Pb+2
I - compounds of Ag+, Hg+2, and Pb+2
SO4-2 - compounds if Sr+2, Ba+2, Hg+2, and Pb+2

Question 14

Insoluble (does not dissolve in water) ionic compounds and exceptions

Answer 14

S-2 - compounds of NH4+, the alkali metals, and Ca+2, Sr+2, and Ba+2
CO3-2 - compounds of NH4+, the alkali metal cations
PO4-3 - compounds of NH4+, the alkali metal cations
OH - compounds of NH4+, the alkali metals, and Ca+2, Sr+2, and Ba+2

Question 15

Insoluble (does not dissolve in water) ionic compounds and exceptions

Answer 15

S-2 - compounds of NH4+, the alkali metals, and Ca+2, Sr+2, and Ba+2
CO3-2 - compounds of NH4+, the alkali metal cations
PO4-3 - compounds of NH4+, the alkali metal cations
OH - compounds of NH4+, the alkali metals, and Ca+2, Sr+2, and Ba+2

Question 16

Always Soluble

Answer 16

Group 1 ions (alkali metals)
Nitrate NO3-1
Acetate C2H3O2-1
Ammonium NH4+

Question 17

Activity series Halogens

Answer 17

Most to least reactive
F2
Cl2
Br2
I2

Question 18

Activity Series Metals

Answer 18

Most to least reactive
Li
Rb
K
Cs
Ba
Sr
Ca
Na
Mg
Al
Ti
Mn
Zn
Cr
Fe
Co
Ni
Sn
Pb
H or H2
Cu
Ag
Au

Question 19

Types of Chemical Reactions

Answer 19

Synthesis (2 or more reactants combine to form 1 product)

Decomposition (1 reactant breaks down into 2 or more products)

Single replacement (1element replaces another in a compound)

Double replacement (2 elements switch)

Combustion (most of time, a hydrocarbon burns in OXYGEN to form CO2 gas and H2O gas