Which term describes an electron pair donor?

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Multiple Choice

Which term describes an electron pair donor?

Explanation:
In Lewis theory, an electron-pair donor is a Lewis base. This definition centers on the ability to supply a lone pair of electrons to another species, typically an electron-deficient partner called a Lewis acid, to form a bond. For example, ammonia donates its lone pair to a proton or to a metal center, acting as a Lewis base. This distinguishes it from a Lewis acid, which accepts electron pairs, and from Arrhenius or Brønsted-Lowry bases, whose definitions are based on producing hydroxide in water or accepting a proton, respectively. So the term that describes an electron pair donor is Lewis base.

In Lewis theory, an electron-pair donor is a Lewis base. This definition centers on the ability to supply a lone pair of electrons to another species, typically an electron-deficient partner called a Lewis acid, to form a bond. For example, ammonia donates its lone pair to a proton or to a metal center, acting as a Lewis base. This distinguishes it from a Lewis acid, which accepts electron pairs, and from Arrhenius or Brønsted-Lowry bases, whose definitions are based on producing hydroxide in water or accepting a proton, respectively. So the term that describes an electron pair donor is Lewis base.

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