which solids have more boiling point & melting point-ionic or covelant & why?

Asked by  | 12th Mar, 2008, 01:52: PM

Expert Answer:

Covalent bond
Hard /insulator
Binding energy 150 to 500
 melting pt upto 4000K

Hard but brittle\
insulator
Binding energy400 to 4000 kj/mol
melting pt1500K

Answered by  | 20th Mar, 2008, 10:58: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.