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halogen isn't an element or a compound so it doesnt have an equation. Halogen is the name of a group on the Periodic Table.

Metal 1

sodium oxide Na2O potassium oxide K2O

Calcium oxide CaO Magnasium oxide MgO

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12y ago
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13y ago

The chemical symbols for all the halogen elements are F, Cl, Br, I, and At. These elements all usually occur, when in elemental form, as diatomic molecules with formulas F2, Cl2, Br2, I2, and At2.

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13y ago

Fluorine is atomic symbol F and formula F2 in its molecular state

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11y ago

Halogens have diatomic molecules: F2, Cl2, I2, Br2, At2.

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13y ago

Cl2

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14y ago

HCl

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Q: What are the chemical formulas for each of the halogen molecules?
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