chem exam one

Sig fig addition and subtraction

Go with LOWEST sf

Sig Fig Multiplication and Division

Lowest SF

1 cm³=

1 ml

Molecular Compounds

Non-metals

Ionic Compounds

Metal and nonmetals

Covalent bonds

Nonmetal bonds

Naming MOLECULAR compounds

Prefix +first element + prefix + second element + IDE

When naming a compound if two elements are in the same group

Write the larger period number first

When naming a compound if two elements are in the same period

write smaller number first

Group one Charge

+1

Group 2 charge

+2

Ag charge

+1

Zn charge

+1

Cd charge

+2

Al charge

+3

Group 17 charge

-1

Group 16 charge

-2

N charge

-1

P charge

-3

Naming IONIC compounds

Cation name + base name of anion + IDE

Naming CATIONS

Cation + charge in Roman numerals + base name of anion + IDE

Hg2 charge

+2

BrO charge

-1

BrO2 charge

-1

BrO3 charge

-1

BrO4 charge

-1

IO charge

-1

IO2 charge

-1

IO3 charge

-1

IO4 charge

-1

SCN charge

-1

NH4 charge

+1

CN charge

-1

CH3CO2 charge

-1

CO3

-2

HCO3 charge

-1

C2O4 charge

-2

CIO1-4 charge

-1

NO2 and NO3 charge

-1

PO4 charge

-3

CrO4 charge

-2

Cr2O7

-2

MnO4

-1

HPO4

-2

H2PO4

-1

OH

-1

SO3

-2

SO4

-2

HSO4

-1

PO3

-3

Oxyanions two ion series Fewer oxygens is

ITE

Oxyanions two ion series greater oxygens is

ATE

Oxyanions four ion series greatest oxygens is

PER-name-ATE

Oxyanions four ion series second most oxygens is

Name-ATE

Oxyanions four ion series second least oxygens is

Name-ITE

Oxyanions four ion series least oxygens is

HYPO-name-ITE

Naming HYDRATES

Ionic compound + prefix + hydrate

Binary acids

Any two elements on periodic table

Oxyacids

H + polyatomic ion

Naming BINARY ACIDS

HYDRO + name of nonmetal + IC + ACID

How to name OXYACID with ITE

Name of oxyanion + OUS + ACID

How to name OXYACID with ATE

Name of oxyanion + IC + ACID

alkAne

Alcohol

amiNe

Carboxylic acid

Kelvin=

C+273.15

Fahrenheit =

(c+ 9/5) +32

Energy =

Kgm²/s²