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vinhphysics
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I read some books which mention about covalent and partially covalent chemical bonds. However, I cannot distinguish between them. Who can help me?
Thank you very much!
Thank you very much!
Just to add a precision: that would be homonuclear diatomic molecules. You can add also other special cases like the CC bond in ethane, where the molecule is completely symmetric.Borek said:The only purely covalent bonds I can think of are those in diatomic molecules of gases.
DrClaude said:Just to add a precision: that would be homonuclear diatomic molecules.
A covalent bond is a type of chemical bond formed between two atoms when they share one or more pairs of electrons. This type of bond is typically formed between non-metal atoms.
A partially covalent bond is a type of bond that falls between a purely covalent bond and an ionic bond. In this type of bond, the atoms share their electrons unequally, resulting in a slight separation of charge within the bond.
The main difference between covalent and partially covalent bonds is the degree of sharing of electrons between atoms. In a purely covalent bond, the electrons are shared equally, while in a partially covalent bond, the electrons are shared unequally, resulting in a slight polarity.
Covalent bonds are typically formed between non-metal atoms, such as carbon, hydrogen, nitrogen, and oxygen. Partially covalent bonds can also involve non-metals but can also occur between a metal and a non-metal.
Examples of substances with covalent bonds include water (H2O), methane (CH4), and carbon dioxide (CO2). Examples of substances with partially covalent bonds include hydrogen fluoride (HF) and sodium chloride (NaCl).