Question

Basic chemistry questions

Answer 1

Why can't you have covalent lattices?
How is metallic bonding not just a covalent lattice?
How does the size of an atom affect covalent bond strength?

Answer 2

the answer to the first question is that you can. Most lattices are ionic - like salt.
But diamond forms a very strong covalent lattice with covalent bonds between carbon atoms.

Answer 3

with metallic bonding the out electron of the metal atoms are not strongly held so they can 'wander' through the lattice - thats why they conduct electricity

Answer 4

Ach- I knew both of those, but forgot. What about the third question?

Answer 5

the larger the atom the greater is the bond length which makes for less dissociation energy - that is bond strength

Answer 6

And- if I can be so rude as to ask a question within a question- in orbital hybradisation, how does an atom 'decide' how many orbitals it will hybradise?

Answer 7

there are also more electrons in large atom and they have a shielding effect on the attraction between 2 atoms

Answer 8

sorry - i've forgotten most of that hybridisation stuff - gotta go anyway

Answer 9

Thanks anyway