2 - Bonding and Structure Flashcards
1
Q
what are 4 giant covalent structures?
A
- diamond
- graphite
- silicon
- silicon dioxide
2
Q
what two things affect the strength of an ionic bond?
A
size of ion, the smaller the ion the stronger the attraction
charge of ions, greater charge = stronger attraction
3
Q
what three things affect electronegativity
A
atomic radius
nuclear charge
electron shielding
4
Q
why does H2O have a higher boiling point than HF?
A
it bonds to 4 other molecules, HF only bonds with 2
