"features of covalent compounds"

[gracy]

In the subheading "features of covalent compounds"
what that means glucose(less solid) and sugar (more solid)
Please guide me.

 

[gracy]

Sorry ,I forgot to attach the image.

 

[gracy]

It is more clear now.

 

[gracy]

Please, help.

 

[DrDu]

This seems to be quite a strange book. There is no more or less solid. Also, instead of talking about covalent compounds being mostly liquid or gaseous, it would be more appropriate to refer to low melting and boiling points.

 

[gracy]

This seems to be quite a strange book.

Yes.You are right.