Question

differences between ionic and covalent bonds

Answer 1

Ionic bonds:

An ionic bond is made up of a metal and non-metal.Non-metals have negative ions and are stronger than metal ions of positive charge. This makes it possible to get electrons from metal. Opposite ions attract each other forming ionic bond.

Ionic bonds do not have any definite shape.

Melting and boiling point is high.

Examples: Sodium chloride (NaCl), Sulfuric Acid (H2SO4 ).

Covalent bond:

Non metals having similar electronegativities form Covalent bonds. Atoms of non metals are weak to attract electrons each other. To maintain stability, the electrons from outermost molecular orbit are shared with each other.

Covalent bonds have definite shape

melting and boiling point is low.

Examples: Methane (CH4), Hydrochloric acid (HCl)

Answer 2

Answer:

5 differences between ionic and covalent bonds:

i) Ionic bond is formed by the transfer of electrons.

Covalent bond is formed by the sharing of electrons.

ii) Ionic bond is present between a metal and a nonmetal.

 Covalent bond binds two nonmetals.

iii) Ionic bond forms compounds which are hard solids consisting of ions.

Covalent bond forms compounds which are gases or liquids or soft solids.

iv) Ionic bond forms compounds which are non-volatile with high melting and     boiling points.

Covalent bond forms compounds which are volatile with low melting and boiling points.

v) Ionic bond example - NaCl

Covalent bond example - HCl.

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Explanation: