The electron group arrangement of SO₄²⁻ (sulfate ion) is tetrahedral. The molecular shape is tetrahedral molecular geometry, and the bond angle is 109.5°.
What is the molecular shape of a compound?
The three-dimensional structure of a compound is the molecular arrangement of the compound. It is the attachment of the nuclei of the atom and its electron.
The sulfate ion has a simple tetrahedral structure. The sulfur atom is attached to four oxygen atoms with double and two single bonds.
Thus, the electron group arrangement of SO₄²⁻ (sulfate ion) is tetrahedral. The molecular shape is tetrahedral molecular geometry, and the bond angle is 109.5°
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