chemistry help ASP please help me?

[little dragon]

1. The molecules of which phase have the greatest intermolecular forces, compared to their kinetic energies?

plasma

gas

liquid

solid



2. Which of the following has the lowest melting point?

covalent molecular crystal

ionic crystal

amorphous solid

metallic crystal



3. Which of the following properties characterize a cubic unit cell?

All angles are right angles, and the sides are of equal length.

All angles are equal, and the lengths of the sides are different.

All angles are right angles, and the lengths of the sides are different.

All angles are unequal, and the sides are of equal length.



4. On the basis of structure, which of the following solids has the highest melting point?

glucose

sucrose

butter

table salt



5. On the basis of structure, which of the following solids is the most brittle?

CaF2

C6H12O6

Cu

Au