Chapter 2: Atomic Structure-Ionic and Covalent Compounds: Writing formulas of Ionic Compounds
While we will learn how to names these compounds as we progress
through the semester we will begin now with the simplest types of
compounds, the binary compounds. These are compounds which contain
only two elements. There are two types of binary compounds that I
want you to be familiar with at this point in the course.
I. Binary compounds containing metals and nonmetal elements.
The correct chemical name is composed of the name of the element
followed by the name of the nonmetal which has been modified to the
identifying stem plus an -ide ending.
Symbol
|
Element
|
Stem
|
ending
|
B
|
boron
|
bor
|
boride
|
Br
|
bromine
|
brom
|
bromide
|
Cl
|
chlorine
|
chlor
|
chloride
|
F
|
fluorine
|
fluor
|
fluoride
|
H
|
hydrogen
|
hydr
|
hydride
|
I
|
iodine
|
iod
|
iodide
|
N
|
nitrogen
|
nitr
|
nitride
|
O
|
oxygen
|
ox
|
oxide
|
P
|
phosphorus
|
phosph
|
phosphide
|
S
|
sulfur
|
sulf
|
sulfide
|
For example,
NaCl
sodium chloride
PbI2
lead iodide
Al2O3
aluminum oxide
BaS
barium sulfide
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