Unit 3 - Ionization/Electronegativity and Electron Configuration

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

The angular momentum quantum number indicates the

• orientation an orbital around the nucleus.
• shape of an orbital.
• direction of the spin of the electron in its orbital.
• main energy level of an orbital.

The set of orbitals that are dumbbell shaped and directed along the x, y, and z axes are called 

• d orbitals.
• p orbitals.
• f orbitals.
• s orbitals

How many orientations can an d orbital have about the nucleus?

• 1
• 2
• 3
• 5

What is the electron configuration for nitrogen?

• 1s² 2s² 2p³
• 1s² 2s³ 2p²
• 1s² 2s³ 2p¹
• 1s² 2s² 2p² 3s¹

If electrons in an atom have the lowest possible energies, the atom is in the

• ground state.
• inert state.
• excited state.
• radiation-emitting state.

The principle quantum number, n, represents the:

• spin value

• suborbital value

• energy level

• magnetic value

The proper pair of the l value with the orbital shape.

• 0; f

• 3; p

• 1; s

• 2; d

How many electrons total are found in the f orbital?

• 2

• 6

• 10

• 14