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Chemistry
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Nomenclature
==ionic nomenclature==
^^metal^^
(1A, 2A, Al+3, Zn+2, Cd+2, Ag+1) and
^^nonmetal^^
write metal name
is it a transition metal? (NO)
write non-metal name
ending changes to -ide
^^metal^^
(1A, 2A, Al+3, Zn+2, Cd+2, Ag+1) and
^^polyatomic ion^^
write metal name
is it a transition metal? (NO)
write polyatomic ion name
DO NOT CHANGE NAME
^^transition metals, Sn, Pb^^
and
^^nonmetal^^
write transition metal name
use roman numeral to indicate charge on transition metal
+1 (I)
+2 (II)
+3 (III)
+4 (IV)
write nonmetal name with -ide ending
==covalent nomenclature==
^^two nonmetals^^
together
write first nonmetal name - non change
write second nonmetal name with -ide ending
use prefix to indicate numbers of atoms of each non metal
prefixes
mono- *not used for first nonmetal - ex. NO β Nitrogen Monoxide
di-
tri-
tetra-
penta-
hexa-
hepta-
octa-
nona-
deca-
βooβ drop first o -- ex. NO β Nitrogen Mon(o)oxide
βaoβ drop a
==acid nomenclature==
chemical formula begins with H+
based on anion (second part, H2
SO3
)
ends in -ide β hydro-root name of ion-ic acid
ex. HCl β hydrochloric acid
ends in -ite β root name of ion-ous acid
ex. HClO2 β chlorous acid
ends in -ate β root name of ion-ic acid
ex. HClO3 β chloric acid
questions
is there a metal?
yes - is it a transition metal
no - no parentheses
yes - (roman numerals)
no - prefix-first, prefix-last-ide
does the formula begin with H+?
yes - acid, follow through based on anion
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