A covalent chemical bond is one in which _____. a covalent chemical bond is one in which _____. outer-shell electrons of two ato

A covalent chemical bond signifies the sharing of outer-shell electrons between two atoms to adequately fill their respective orbitals.

Additional Explanation;

A chemical bond

is a force that creates a connection among atoms through the sharing or transfer of electrons.

Types of chemical bonds.

Covalent bond  

• is a bond formed among non-metal atoms due to the sharing of electrons between them.
• The outermost electrons are shared between involved atoms to help each attain a stable configuration.
• When the atoms participating in the bond contribute equally to the electron sharing, it's classified as a covalent bond
• A covalent bond can also be dative when the electrons being shared come from one atom alone.

Ionic bond  

• is established between metal ions and non-metal ions, arising from the transfer of electrons from a metal atom to a non-metal atom.
• After electrons transfer, the metal atom becomes a cation by losing an electron while the non-metal atom becomes an anion by gaining electrons.

Polar covalent bonds

• entail unequal sharing of electrons between a non-metal and another non-metal atom.
• Electrons tend to linger more around one atom than its counterpart in the bond, creating a polar bond due to uneven electron distribution or differences in electronegativity.
• Examples of polar covalent molecules include S-F, O-F, etc.
• Non-polar covalent bonds
  • are defined by two atoms sharing a pair of electrons equally.
  • In non-polar covalent bonds, the electronegativities of both atoms involved are equal.
  • Non-polar covalent bonds consist of non-metal atoms.
  • Examples of non-polar covalent molecules include F-F, H-H, etc.

Keywords: Polar covalent, non-polar covalent, ionic bonds, covalent bonds.

Further information on:

• Chemical bonds:
• Ionic bonds:
• Covalent bonds:
• Polar covalent bonds:
• Non-polar covalent bond:

Level: High school  

Subject: Chemistry  

Topic: structure and bonding  

Sub-topic: Covalent bond

Response:

            A covalent bond is formed when the outer electrons of two atoms are shared, enabling them to adequately fill their orbitals.

Clarification:

                   Covalent bonds occur between atoms with an electronegativity difference below 1.7. In this bonding type, one atom's valence electrons create a molecular bond with the other atom's valence electrons, leading to mutual sharing of electrons.

                   Covalent bonds can be non-polar, as seen in hydrogen and carbon bonding.

                   Conversely, covalent bonds can also be polar, such as the bond between hydrogen and chlorine, where the chlorine atom is more electronegative and draws electrons towards itself, resulting in a lower electron density on the hydrogen atom.