How do you draw a covalent bond?

Answer 1

STEPS:

1. Determine the number of valence electrons available.

2. Determine the number of electrons necessary to satisfy the octet (or duet) rule with no electron sharing.

3. The difference between the numbers obtained in steps 1 and 2 is the number of bonding electrons.

4. Place the atoms as symmetrically as possible.

5. Draw the bonds showing the number of electrons to be shared.

6. Add the remainder of the available electrons to complete the octets (or duets) of all the atoms. There should be just enough if the molecule or ion follows the octet rule.

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Answer 2

An oxygen atom has 6 electrons in its outer shell.

Oxygen is in group 6 of the Periodic Table.

Two oxygen atoms will each share two electrons

to form two covalent bonds and make an oxygen molecule (O2).

Note the 2 pairs (4 electrons) shared between the atoms.

Oxygen has a double bond. One electron pair is a single bond.

The structural formula of an oxygen molecule is

Answer 3

To draw a covalent bond, you need to show the sharing of electrons between two atoms. Draw the atoms' symbols next to each other, with lines representing shared pairs of electrons between them. The number of lines (bond lines) corresponds to the number of shared electron pairs in the bond.

Answer 4

by the mutual sharing of electrons between two atoms

Answer 5

H--H