Electron Configuration

s sublevel

holds 2 electrons (1 orbital)

p sublevel

holds 6 electrons (3 orbitals)

d sublevel

holds 10 electrons (5 orbitals)

clover shaped

d orbitals

hourglass/infinity shape

p orbitals

spherical shape

s orbitals

electron configuration

the arrangement of electrons (address)

abbreviated electron configuration

[noble gas] then the rest of configuration

example of electron configuration

1s2 2s2 2p6 3s2 3p6 4s2 3d10

Example of abbreviated electron configuration

[Xe] 6s1

orbital

holds up to 2 electrons

period

row on periodic table showing the number of energy levels (rings)

group

tells the number of valence electrons

noble gases

stable, group 18, with full energy levels

valence electron(s)

Electrons on the outermost energy level of an atom