SHAPES
The shape of carbon tetrafluoride.
TETRAHEDRAL
MgBr2
magnesium bromide
calcium chloride
CaCl2
Symbol used to indicate partial.
LOWERCASE DELTA
(δ)
The AXE number of water.
AX2E2
Cr2O3
CHROMIUM(III) OXIDE
zinc sulfide
ZnS
A negative ion.
ANION
The presence or absence of this part of a molecule most strongly influences shape.
UNSHARED PAIR/LONE PAIR
FeO
iron(II) oxide
ammonium chloride
NH4Cl
Name this acid: HF
HYDROFLUORIC ACID
Boron trifluoride has this shape.
TRIGONAL PLANAR
HCN
hydrogen cyanide
nickel(II) bromate
Ni(BrO3)2
List, in order from greatest to least, the three types of bonds by melting/boiling point.
IONIC, POLAR COVALENT, NONPOLAR COVALENT
The most basic shape, possible with a two atom or three atom molecule.
LINEAR
Os(IO3)3
osmium(III) iodate
iron(III) phosphate
FePO4
Name all positive polyatomic ions.
HYDRONIUM
AMMONIUM