How many quantum numbers are needed to describe the energy state of an electron in an atom?

• 1
• 2
• 3
• 4

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

Tags

NGSS.HS-PS1-1

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.

An electron fro which n=4 has more ____ than an electron for which n=2.

• spin
• particle nature
• energy
• wave natrue

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

The total number of orbitals that can exist at the second main energy level is

• 2
• 3
• 4
• 8

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

Tags

NGSS.HS-PS1-1

The distance traveled between two successive peaks of a waves is the

• speed
• frequency
• wavelength
• energy

Tags

NGSS.HS-PS4-1