Chapter 2 Flashcards

Flashcards covering key vocabulary and concepts from Chapter 2 of lecture notes.

Principal Quantum Number (n)

Overall size & energy.

Angular Momentum Quantum Number (l)

Shape of orbital.

Magnetic Quantum Number (ml)

Orientation of orbital.

Spin Quantum Number (ms)

Orientation of spin of electron.

Principal Shell/Level

Orbitals with the same n.

Subshell/Sublevel

Orbitals with the same n and l values.

Node

Point where a wave function and radial distribution function all go through 0.

S orbital characteristics

Sphere, l=0, n=1, one orbital: 0

P orbital characteristics

infinity, =1, n=2, three orbitals: ±1, 0

d orbital characteristics

clover, l=2, n=3, five orbitals: ±2, ±1, 0

f orbital characteristics

l=3, n=4, seven orbitals: ±3, ±2, ±1, 0

size difference of ions

X- > X > X+

electron configuration order

1s 2s 2p 3s 3p 4s 3d 4p 5s 4d 5p 6s 4f 5d 6p 7s 5f 6d 7p

what increases going across the periodic table and decreases going down

ionization energy, electron affinity, electronegativity

ionization energy

energy required to remove one electron from a neutral atom

electron affinity

energy change when an atom gains an electron

electronegativity

strongly an atom attracts electrons in a chemical bond