Electron Configuration
Out of these four orbitals, which is filled in last: 1p 2d 3d 4s?
What is the 3d orbital
Which of these orbitals does not exist: 2p, 5s, 1p, 3d
1p
What do the rows on the periodic table represent when writing electron configuration?
The energy levels
What type of element do we use as "check points" when writing condensed electron configuration?
Noble Gases