write 8 differences of ionic and covalent compounds?

Asked by Abhilash | 20th Oct, 2012, 08:02: AM

Expert Answer:

A comparision table is as follows:

 Covalent BondsIonic Bonds
Polarity: Low High
Formation: A covalent bond is formed between two non-metals that have similar electronegativities. Neither atom is "strong" enough to attract electrons from the other. For stabilization, they share their electrons from outer molecular orbit with others An ionic bond is formed between a metal and a non-metal. Non-metals(-ve ion) are "stronger" than the metal(+ve ion) and can get electrons very easily from the metal. These two opposite ions attract each other and form the ionic bond.
Shape: Definite shape No definite shape
Melting point: low High
What is it?: Covalent bonding is a form of chemical bonding between two non metallic atoms which is characterized by the sharing of pairs of electrons between atoms and other covalent bonds. Ionic bond, also known as electrovalent bond is a type of bond formed from the electrostatic attraction between oppositely charged ions in a chemical compound. These kinds of bonds occur mainly between a metallic and a non metallic atom.
Boiling point: Low High
Examples: Methane (CH4), Hydro Chloric acid (HCl) Sodium chloride (NaCl), Sulphuric Acid (H2SO4 )
Occurs between: Two non-metals One metal and one non-metal
State at room temperature: Liquid or gaseous Solid

Answered by  | 20th Oct, 2012, 10:02: AM

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