Gen Chem 1: Writing Formulas

osmium (VIII) oxide

Name OsO4

diphosphorus pentoxide

Name P2O5

tetraphosphorus decoxide

Name P4O10

phosphorus pentachloride

Name PCl5

sulfur trioxide

Name SO3

perchlorate

Name [ClO4]-1

permanganate

Name [MnO4]-1

ammonium

Name [NH4]+1

nitrite

Name [NO2]-1

hydroxide

Name [OH]-1

hydrosulfuric acid

Name the acid H2S

hydrobromic acid

Name the acid HBr

hydrochloric acid

Name the acid HCl

hydroiodic acid

Name the acid HI

FeBr3

The correct formula of iron (III) bromide is:

lithium sulfide

The correct name for Li2S is:

magnesium chlorate

The correct name for Mg(ClO3)2 is:

sulfur monoxide

The correct name for SO is:

C6H7O3

The empirical formula of a compound with molecules containing 12 carbon atoms, 14 hydrogen atoms, and 6 oxygen atoms is ____

(NH4)2CO3

The formula of ammonium carbonate is:

HO

The molecular formula is H2O2 so the empirical formula is:

CH2O

The molecular formula of glucose is C6H12O6 so its empirical formula is:

they give the lowest whole # ratio of atoms of each element in a compound

What do empirical formulas look like?

they give the exact # of atoms of each element in a compound

What do molecular formulas look like?

If anion is an element use -ide and if anion is a polyatomic ion just write the name of the polyatomic ion

What endings do you use if the anion is an element? What endings do you use if the anion is a polyatomic ion?

(NH4)2S

What is the correct formula for ammonium sulfide?

on two nonmetals NOT ON NONMETAL + METAL

When can you use prefixes?

[Cr2O7]-2

Write the formula for dichromate

LiAlH4

Write the formula for lithium aluminum hydride

[PO4]-3

Write the formula for phosphate

KClO

Write the formula for potassium hypochlorite

[SO3]-2

Write the formula for sulfite

Al2O3 aluminum oxide

Give the formula and state the name of a compound likely to be formed from aluminum and oxygen

Ca3(PO4)2 calcium phosphide

Give the formula and state the name of a compound likely to be formed from calcium and phosphate ion

KNO3 potassium nitrate

Give the formula and state the name of a compound likely to be formed from potassium and nitrate ion

NaF sodium fluoride

Give the formula and state the name of a compound likely to be formed from sodium and fluorine

change the ion to "-ic acid"

How do you name an acid that ends in "-ate"?

To name an acid, if the acid ends in "-ide," change the ending to "-ic acid" with the prefix "hydro-"

How do you name an acid that ends in "-ide"?

change the ending to "-ous acid"

How do you name an acid that's anion ends in "-ite"?

iron (III) chloride

Iron and chlorine form an ionic compound whose formula is FeCl3. The name of this compound is:

calcium monoxide

Name CaO

cerium (III) oxide

Name Ce2O3

copper (II) nitrate

Name Cu(NO3)2

iron (II) nitrate

Name Fe(NO3)2

iron (III) oxide

Name Fe2O3

hypochlorous acid

Name HClO acid

chlorous acid

Name HClO2 acid

chloric acid

Name HClO3 acid

perchloric acid

Name HClO4 acid

potassium perchlorate

Name KClO4

potassium dihydrogen phosphate

Name KH2PO4

molecular nitrogen

Name N2

dinitrogen trioxide

Name N2O3

dinitrogen tetroxide

Name N2O4

dinitrogen pentoxide

Name N2O5

ammonia

Name NH3

sodium perchlorate

Name NaClO4

sodium bisulfite

Name NaHSO3

nickel (II) cyanide

Name Ni(CN)2

MgO

write the formula for magnesium oxide

NaBr

write the formula for sodium bromide