HCN is a Bronsted acid; it can dissociate into H+ and CN-. And H+ is a Lewis acid because it accepts election pairs. ... In order for H+ and CN- to be formed, Hydrogen in HCN donates its electrons to Carbon. So in this sense, Hydrogen is the lewis base and Carbon is the lewis acid.
The answer is rubidium -91 because it takes a shorter time of 58.4 seconds to become stable.
Contains DNA, contains ribosomes, lacks a nucleus
Sodium Na is a metal that belong to the alkali metal with low density and soft