To help students learn the appropriate text structures, text features, and language of informative/explanatory writing, teachers might begin with Talk-alouds. Below you will see two 2nd grade examples that focuses on the use of diagrams. These are a paired set of a Reading Talk-aloud and a Writing Talk-aloud.
functional group. n. An atom or group of atoms, such as a carboxyl group, in an organic compound that defines the structure of a family of compounds and determines the properties of the family. functional group. n.
(a) alkane, and. (b) alkene. A functional group is defined as the atom or group of atoms responsible for the characteristic reactions of a compound. I am aware that the functional group for alcohol(s) is-OH, the functional group for carboxylic acid(s) is-COOH, etc.I am just stuck when it comes to alkane and alkene.b) alkene. A functional group is defined as the atom or group of atoms responsible for the characteristic reactions of a compound. I am aware that the functional group for alcohol(s) is-OH, the functional group for carboxylic acid(s) is-COOH, etc.