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
