Generally covalently bonded molecules ______. I. have high boiling and melting point as compare to ionically bonded molecules II. poor conductors of electricity III. have weak intermolecular force

Generally covalently bonded molecules ______. I. have high boiling and melting point as compare to ionically bonded molecules II. poor conductors of electricity III. have weak intermolecular force Correct Answer Only II and III

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How far is point 'R' from Point 'T'? Statement (I): Point 'R' is 5 metres to the north of point 'M'. Point 'U' is 4 metres to the east of point 'R'. Point 'T' is to the west of point 'R' such that points 'U' 'R' and 'T' form a straight line of  metres. Statement (II): Point 'Z' is metres to the south of point 'T'. Point 'U' is  metres to the east of point 'T'. Point 'M' is  metres to the east of point 'Z'. Point 'R' is  metres to the north of point 'M'. Point 'R' lies on the line formed by joining points 'T' and 'U'.
Covalently bonded molecules have the low melting points and boiling points because?