Notes Notes

7&9A 7&9A

Ionic and Molecular Ionic and Molecular Compounds Compounds

Writing Formulas and Writing Formulas and NamingNaming

Na Cl Na Cl Mg ClMg ClNaNa1+1+ Cl Cl1- 1- MgMg2+2+ Cl Cl1-1-

NaClNaCl MgClMgCl2 2 sodium chloride magnesium sodium chloride magnesium

chloridechloride

Li OLi O Al ClAl ClLiLi1+1+ O O2-2- AlAl3+3+ Cl Cl1-1-

LiLi22OO AlClAlCl33 lithium oxide aluminum lithium oxide aluminum chloride chloride

Al OAl O K IK IAlAl3+3+ O O2-2- KK1+1+ I I1-1-

AlAl22OO33 KIKIaluminum oxide potassium aluminum oxide potassium iodideiodide

Ca BrCa Br Ga S Ga SCaCa2+2+ Br Br1-1- Ga Ga3+3+ S S2-2-

CaBrCaBr2 2 Ga Ga22SS33

calcium bromide gallium calcium bromide gallium sulfidesulfide

Mg N Ba OMg N Ba OMgMg2+2+ N N3-3- Ba Ba2+2+ O O2-2- MgMg33NN22 BaO BaOmagnesium nitride barium magnesium nitride barium oxideoxide

FeFe2+2+ O Fe O Fe3+3+ O OFeFe2+2+ O O2-2- Fe Fe3+3+ O O2-2- FeOFeO Fe Fe22OO33

Iron(II) oxide iron(III) oxideIron(II) oxide iron(III) oxide

Notes Notes 7&9 B7&9 B

KK1+ 1+ NO NO331-1-

KNOKNO33

potassium nitratepotassium nitrate

NaNa1+1+ SO SO332-2-

NaNa22SOSO33

sodium sulfitesodium sulfite

13NO

CaCa2+2+ SO SO332-2-

CaSOCaSO33

calcium sulfitecalcium sulfite

AlAl3+3+ C C22HH33OO221-1-

Al(CAl(C22HH33OO22))33

aluminum acetatealuminum acetate

NHNH441+1+

POPO443-3-

(NH(NH44))33POPO44

ammonium phosphateammonium phosphate

FeFe3+3+ OH OH1-1-

Fe(OH)Fe(OH)33

Iron (III) hydroxideIron (III) hydroxide

Notes Notes 7&9 7&9

CC Name Name Ions Ions Formula Formula

lithium oxlithium oxideide strontium strontium fluoridefluoride

LiLi1+1+ O O2-2- SrSr22+ F+ F1-1-

LiLi22OO SrFSrF22

chromium (III) sulfchromium (III) sulfideide zinc zinc acetateacetate

CrCr3+3+ S S2-2- Zn Zn2+2+ CC22HH33OO22

1-1-

CrCr22SS33 Zn(C Zn(C22HH33OO22))22

ammonium hydroxideammonium hydroxide calcium calcium nitratenitrate

NHNH441+1+ OH OH-- CaCa2+2+ NO NO33

1-1-

NHNH44OHOH Ca(NO Ca(NO33))22

lead (IV) sulfitelead (IV) sulfite tin (II) tin (II)

hydroxidehydroxide PbPb4+4+ SO SO33

2-2- Sn Sn2+2+ OH OH1-1-

Pb(SOPb(SO33))22 Sn(OH) Sn(OH)22

Notes 7&9 D Notes 7&9 D Formula Formula Ions Ions Name Name

MgSMgS NaBrNaBr

MgMg2+2+ S S2-2- NaNa1+1+ Br Br1-1-

magnesium sulfidemagnesium sulfide sodium sodium bromidebromide

CaClCaCl22 CuClCuCl22

CaCa2+2+ Cl Cl1-1- CuCu2+2+ Cl Cl1-1-

calcium chloridecalcium chloride copper(II) copper(II) chloridechloride

NHNH44ClCl KNOKNO22 NHNH44

1+1+ Cl Cl1-1- KK1+1+ NO NO221-1-

ammonium chlorideammonium chloride potassium potassium nitritenitrite

(NH(NH44))22SOSO44 FeSOFeSO44

NHNH441+1+ SO SO44

2-2- Fe Fe2+2+ SO SO442-2-

ammonium sulfateammonium sulfateiron(II)sulfateiron(II)sulfate

NaNa22SOSO33 Mn(CHMn(CH33COO)COO)22

NaNa1+1+ SO SO332-2- MnMn2+2+ C C22HH33OO22

1-1-

sodium sulfitesodium sulfite manganese(II) manganese(II) acetateacetate

Pb(NOPb(NO33))44 HgHg33(PO(PO44))22

PbPb4+4+ NO NO331-1- HgHg2+2+ PO PO44

3-3-

lead(IV) nitratelead(IV) nitrate mercury(II) mercury(II)

phosphatephosphate

PbSOPbSO44 HGHG33(PO(PO44))22

PbPb2+2+ SO SO442-2- HGHG2+2+

POPO443-3-

lead(II)sulfatelead(II)sulfate mercury (II) mercury (II)

phosphatephosphate

Binary Molecular Compounds Binary Molecular Compounds 7&9 E 7&9 E

2 nonmetals – 2 nonmetals – not ionsnot ions PrefixPrefix MonoMono 11 DiDi 22 TriTri 33 TetraTetra 44 PentaPenta 55 HexaHexa 66 HeptaHepta 77

HeptaHepta 77 OctaOcta 88 NonaNona 99 DecaDeca 1010

NN22O dinitrogen monoxide O dinitrogen monoxide all end in –all end in –ideide

SFSF6 6 sulfur hexafloride sulfur hexafloride omit omit monomono when the first element when the first element

has one atomhas one atom CO carbon monoxideCO carbon monoxide ClCl22OO88 dichlorine octoxide dichlorine octoxide

SiC silicon monocarbideSiC silicon monocarbide NN22OO44 dinitrogen tetroxide dinitrogen tetroxide NClNCl33 nitrogen trichloride nitrogen trichloride NN22HH44 dinitrogen tetrahydride dinitrogen tetrahydride NN22OO33 dinitrogen trioxide dinitrogen trioxide