Question

Which is the best description of a covalent bond?
A) Electrons are simultaneously attracted by more than one nucleus.
B) Filled orbitals of two or more atoms overlap one another.
C) Unoccupied orbitals of two or more atoms overlap one another.
D) Oppositely charged ions attract one another.

Answer 1

Hint: We know covalent bond is a compound bond that includes the sharing of electron sets between iotas. These electron sets are known as shared matches or holding sets, and the steady equilibrium of alluring and ghastly powers between particles, when they share electrons, is known as covalent bonding. For some particles, the sharing of electrons permits every molecule to achieve what might be compared to a full external shell, relating to a stable electronic design. In natural science, covalent bonds are considerably more typical than ionic bonds.

Complete answer:
The best depiction of a covalent bond is “Electrons are at the same time pulled in by more than one core".
A covalent bond is shaped when an orbital containing single electron of a molecule covers with
An orbital containing a single electron of another particle. In this way covalent bond includes sharing of electrons between two iotas.

Hence option A is correct.

Note:
Covalent holding likewise incorporates numerous sorts of cooperations, including σ-holding, π-holding, metal-to-metal holding, agnostic communications, twisted securities, three-focus two-electron securities and three-focus four-electron bonds. The term covalent security dates from\[1939\] .The prefix co-implies together, related in real life, collaborated less significantly, and so forth; consequently a "covalent security", basically, implies that the particles share "valence.
Nuclear orbitals (aside from s orbitals) have explicit directional properties prompting various kinds of covalent bonds. Sigma bonds are the most grounded covalent bonds and are because of head-on covering of orbitals on two unique iotas. A solitary bond is generally a σ bond. Pi bonds are more fragile and are because of sidelong cover between p (or d) orbitals. A twofold connection between two given particles comprises one sigma and one pi bond, and a triple bond is one sigma and two pi bonds.