halide anion
Iodide is a halide anion and a monoatomic iodine.

Is iodine a cation or anion?

List of Ions in the CCCBDB

Species Name charge
Br+ Bromine atom cation 1
I- Iodine atom anion -1
I+ Iodine atom cation 1
HF- hydrogen fluoride anion -1

Is iodide ion positive or negative?

It is easier for iodine to gain an electron rather than to lose 7, so it will form an anion, or negatively charged ion, I− .

What charge ion does iodine form?

-1
The element Iodine will exist as an anion with a charge of -1.

What is the most common ion of iodine?

iodide ion
An iodide ion is the ion I−. Compounds with iodine in formal oxidation state −1 are called iodides. In everyday life, iodide is most commonly encountered as a component of iodized salt, which many governments mandate….Iodide.

Names
ChEBI CHEBI:16382
ChEMBL ChEMBL185537
ChemSpider 28015
ECHA InfoCard 100.125.457

What’s the difference between iodide and iodine?

I-, iodide, is essentially the only form found in nature. Iodide is the ionic state of iodine, occurring when iodine forms a salt with another element, such as potassium. Iodine purchased from the local drug store is often a solution of iodine made from dissolving iodine crystals (I2) and potassium iodide in water.

What is the most common charge for the iodide ion?

+5
Iodine

Quantity
ion charge: -1, coordination number: 6 206 pm
ion charge: +5
coordination number: 3, pyramidal 58 pm