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31 Cards in this Set

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  • Back
Monatomic Ion
an ion formed from a single atom.
Rules for Predicting Charges

1. main-group metallic elements

2. metallic elements of high atomic number

3. transition elements

4. anion for a nonmetallic main-group element
Rules for Predicting Charges

1. main-group metallic elements - one monatomic cation with a charge equal to the group number

2. metallic elements of high atomic number - may have more than one cation (ground number, group number minus 2)

3. transition elements - have more than one cation

4. anion for a nonmetallic main-group element - the group number minus 8
Rules for Naming Monatomic Ions
1. monoatomic cations if there is only one such ion

2. monoatomic cations if there is more than one such ion

3. monatomic anions
1. monoatomic cations if there is only one such ion - are named after the element

2. monoatomic cations if there is more than one such ion - are denoted by the Roman Numeral for the charge in parenthesis after the element

3. monatomic anions - are obtained from a stem name of the element follow by the suffix -ide
Li
Li⁺
lithium ion
Al
Al³⁺
aluminum ion
N
N³⁻
nitride ion
Sr
Sr²⁺
strontium ion
Cl
Cl⁻
chloride ion
Mg
Mg²⁺
magnesium ion
O
O²⁻
oxide
Sn
Sn²⁺
tin(II) ion

Sn⁴⁺
tin(IV) ion
H
H⁻
hydride ion
S
S²⁻
sulfide ion
K
K⁺
potassium ion
Ga
Ga³⁺
gallium ion
Au
Au⁺
gold(I) ion

Au³⁺
gold(III) ion
F
F⁻
fluoride ion
In
In³⁺
indium ion
Pb
Pb²⁺
lead(II) ion

Pb⁴⁺
lead (IV) ion
Se
Se²⁻
selenide ion
Na
Na⁺
sodium ion
Be
Be²⁺
beryllium ion
Cu
Cu⁺
copper(I) ion

Cu²⁺
copper (II) ion
Bi
Bi³⁺
bismuth ion
Ba
Ba²⁺
barium ion
Cr
Cr²⁺
chromium(II) ion

Cr³⁺
chromium(III) ion
Br
Br⁻
bromide ion
Ca
Ca²⁺
calcium ion
Fe
Fe²⁺
iron(II) ion

Fe³⁺
iron(III) ion
I
I⁻
iodide ion
Co
Co²⁺
cobalt(II) ion

Co³⁺
cobalt(III) ion