Monovalent atoms are those which can, under no circumstances, unite with more than one other atom.
Similarly, a trivalent atom, such as that of Nitrogen, can unite with three monovalent atoms.
Divalent atoms, as, for example, that of Oxygen, can unite with one other atom of similar valency or with two monovalent atoms.
A tetravalent atom, such as that of Carbon, can combine with four monovalent atoms.
Equally well we may derive it from methane by replacing a hydrogen atom by the monovalent group CH2.
This compound may be considered as derived from methane, CH4, by replacing a hydrogen atom by the monovalent group CH3, known as methyl; hence ethane may be named "methylmethane.
In all other monobasic acids, it is attached to some other monovalent group, usually an alkyl radical, i.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "monovalent" in a variety of sentences. We hope that you will now be able to make sentences using this word.
