Diamond is covalent, yet it has high melting point. Why ?

Which of the following is correct regarding diamond? (i) Diamond is covalent, yet it has high melting point. (ii) It used for cutting glass, making borers for rock drilling, and for making abrasives. (iii) It is used for making precious gems and jewellery. (iv) It is used for making fies for drawing this wires from metals.

(A): Even though diamond is covalent, it has a high melting point (R) : Diamond is a three dimensional gaint molecule. The C-C in it are very strong.

a. Select the member s of grop 14 that (i) forms the most acidic diozide (ii) is commonly found in +2 oxidation state and (iii) used as se,ocpmdictpr . (Solved NCEGT Pronlem 11.5 ) b. |SiF_5^(2-) is known, whereas |SiCl_5|^(2-) not. Glve possible preasons . (Solved NCEGT Pronlem 11.6 ) c . Diamond is covalent , yet covelnt , yet it has high melting point . Why ? (Solved NCEGT Pronlem 11.7 ) .

BeO is covalent but still it has high melting point- why?

Borax is an important compound of Boron. Diamond has co-valent bonding. Yet it has high melting point. Give a reason.

Give reason for (i) diamond is a covalent compound yet its melting point is very high (ii) Diamond is used as a precious stoke.

How will you account for the following: Diamond is extremely hard and has high melting point.

Although diamond is a covalent substance, its melting point is very high-explain.

Transition elements have high melting points. Why ?