The combining capacity of an element is called valency. The valence electrons determine the combining capacity of an atom. The number of bonds that an atom can form as part of a compound is expressed by the valency of the element. For example- The valency of hydrogen is 1, oxygen is 2, carbon is 4, etc.

Draw the electron dot structure of the following: CH 4

In electron dot structure we represent the valence electrons of the atoms within the molecule forming the bonds. Thus, Carbon has 4 valence electrons while hydrogen has one. They share one electron each to form a C−H single bond in a methane molecule. The electron dot of methane molecule is as follows:

Draw the structures for the following: Ethanoic acid

The chemical formula of ethanoic acid is CH 3 COOH . Its structure can be drawn as-

Draw the electron dot structure of the following: CO 2

In carbon dioxide molecule, the two oxygen atoms are bonded on either side with carbon atom by double bonds. The electron dot structure of carbon dioxide is-

Draw the electron dot structure of the following: CH 4

In electron dot structure we represent the valence electrons of the atoms within the molecule forming the bonds. Thus, Carbon has 4 valence electrons while hydrogen has one. They share one electron each to form a C−H single bond in a methane molecule. The electron dot of methane molecule is as follows:

The combining capacity of an element is called valency. The valence electrons determine the combining capacity of an atom. The number of bonds that an atom can form as part of a compound is expressed by the valency of the element. For example- The valency of hydrogen is 1, oxygen is 2, carbon is 4, etc.