Chapter 9-12 Flashcards
Define lattice energy.
Energy needed to separate 1 mole of a solid ionic compound into a gas one.
Covalent bonding.
Nonmetals
Ionic bonds
Metal
Polar
Unequal plus lone pair
How many elections does H need to be stable?
2
How many electrons does Be need to be stable?
4
How many electrons does B need to be stable?
6
Linear
2, 0, sp
Bent (a little)
2, 1, sp2
Bent (a lot)
2, 2, sp3
Trigonal planar
3, 0, sp2
Trigonal pyramid
3, 1, sp3
Tetrahedral
4, 0, sp3
Trigonal bipyramid
5, 0, sp3d
Octahedral
6, 0, sp3d2
Sigma bond
Single bond
Pi bond
Double or triple bond
Resonance structure
Way to draw Lewis structure when unsymmetrical using arrows
Formal charge
Valence electrons minus total of dots and bonds.
Melting
Solid to liquid
Freezing
Liquid to solid
Vaporization (boiling & evaporation)
Liquid to gas
Condensation
Gas to liquid
Sublimation
Solid to gas