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What are the properties of Covalent & Ionic Bonding?
who can tell me this please? I really need to know. I’ve got an exam in a week and this is one of the basic things on it. I would check my last year notes, but I lost them. bad I know :s :) thanks a lot x
properties of ionic bond:
- these are crystalline in nature.
- these are hard and brittle.
- they have high melting and boiling points.
- they having strong binding energy.
- soluble in water.
- ionic solids are good insulators of electricity.
- ionic crystals have close packed structures.
- non-directional because of charge distribution is spherical in nature
Properties of covalent bond
- covalent bonds are directional.
- covalent bond crystal are hard and brittle.
- Melting and boiling points are high but low compared to ionic crystals.
- pure covalent solids are good insulators. ex: diamond but tin is good conductor.
- diamond have high melting point of 3280k.
- they are not soluble in water,soluble in non polar solvents like benzene.
- these bonds have saturation property.
ex: group 111,1V,V of periodic table often enter into covalent combinations.
- s,I,Ge,Si,diamond,graphite.
- organic compound CH4.
well it really depends on the mass of the chemical.
ionic: valance electrons are transferred from one atom to the next (making them much stronger)
convalent: I think carbon make covalent bonds allowing them to make long chains. convalent bonds is when valance electrons are shared not transferred making them weaker than ionic bonds
hope I helped(:
Try the index in your text book or search the chapter.
But basically ionic bonds are where one atom has a positive charge, the other negative so opposites attract. Covalent means instead of all the electrons orbiting individual atoms, 1 or more electrons is shared between the atoms, which is stronger. This causes all of the above. Water is polar (+ on one side, - on the other) so it can pull ions apart and dissolve them.
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