00:01
For part a of this problem, krypton is going to form a group 8a solid.
00:08
And this is because krypton atoms will interact through london dispersion forces.
00:15
And because they interact through london dispersion forces that are relatively weak, they will form group 8a solids.
00:28
For so2, so2 is going to form a molecular solid.
00:32
And that's because so2 contains very weak into molecular forces, and this is why it's going to be molecular rather than a different structure.
00:46
For nickel, nickel will form a metallic solid.
00:50
Not only is nickel a metal on the periodic table, but another reason for this is that the valence electrons, remember valence electrons are the outermost electrons of nickel, we'll move freely with the metal cation.
01:07
So this is why it's going to form a metallic solid.
01:15
And now we have to talk about silicon binded to two oxygens.
01:20
Sio2 will form a network solid.
01:23
And that's because we have to visualize the structure...