Common Ions

Given the formula for an ion, give it's name.
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penguix
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Last updated: December 9, 2025
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First submittedDecember 1, 2025
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Hint
Answer
Sn²⁺
tin II
CrO₄²⁻
chromate
Mn³⁺
manganese III
Ag+
silver
PO₃³⁻
phosphite
H⁻
hydride
HPO₄²⁻
hydrogen phosphate
K+
potassium
I⁻
iodide
O₂²⁻
peroxide
H₂PO₄⁻
dihydrogen phosphate
Ca²⁺
calcium
ClO⁻
hypochlorite
Br⁻
bromide
Rb+
rubidium
Hint
Answer
BrO₄⁻
perbromate
Cr³⁺
chromium III
Al³⁺
aluminum
Be²⁺
beryllium
O²⁻
oxide
Fe²⁺
iron II
Mn²⁺
manganese II
Cr₂O₇²⁻
dichromate
Cs+
cesium
H+
hydrogen
H₂PO₃⁻
dihydrogen phosphite
Cl⁻
chloride
Cu²⁺
copper II
ClO₂⁻
chlorite
CN⁻
cyanide
Hint
Answer
BrO⁻
hypobromite
NH₄⁺
ammonium
NO₃⁻
nitrate
PO₄³⁻
phosphate
P³⁻
phosphide
Cr²⁺
chromium II
Hg₂²⁺
mercury I
H₃O⁺
hydronium
IO₄⁻
periodate
NO₂⁻
nitrite
Sn⁴⁺
tin IV
N³⁻
nitride
Se²⁻
selenide
Fe³⁺
iron III
HPO₃²⁻
hydrogen phosphite
Hint
Answer
Co²⁺
cobalt II
C₂H₃O₂⁻
acetate
S²⁻
sulfide
BrO₃⁻
bromate
Cd²⁺
cadmium
CO₃²⁻
carbonate
IO⁻
hypoiodite
ClO₄⁻
perchlorate
Pb²⁺
lead II
Li+
lithium
Ni²⁺
nickel II
SCN⁻
thiocyanate
OH⁻
hydroxide
Co³⁺
cobalt III
IO₃⁻
iodate
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