# Chapter 16 - Questions and Problems - Page 770: 16.3

(a) Both (b) Base (c) Acid (d) Both (e) Acid (f) Base (g) Base (h) Base (i) Acid (j) Acid

#### Work Step by Step

- Bronsted acids are species that can donate a proton, therefore, it needs a "H" on it, and that hydrogen needs to be capable of "leaving": For $OH^-$ and $N{H_2}^-$, they have one "H", but the negative charges are making the donation very hard, because the molecule is attracting the proton a lot. - Bronsted bases are species capable of receiving a proton: they need a lone pair, and a electronegative atom, so the molecule can attract the proton.

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