Electron Configuration Review

Which are the four atomic orbitals?

• s,p,d,f

• a,b,c,d

• s,t,e,p

• d,r,o,f

What rule(s) do you need to know for Electron Configuration?

• Aufbau Principle

• Pauli Exclusion Principle

• Hund's Rule

• All of the above

Within an energy level, which orbitals are the lowest in energy?

• s

• f

• d

• p

How many electrons can there be in one orbital?

• 69

• 1

• 23

• 2

What is the electron configuration for iron (Fe) element 26?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶

• 1s¹

• 1s² 2s¹

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁵

What is the Aufbau principle?

• Within an energy level, s orbitals are the lowest energy, followed by p, d and then f. F orbitals are the highest energy for that level.

• The lower the principal quantum number (n) the lower the energy.

• All three.

• The Aufbau Principle states that electrons enter the lowest energy orbitals first.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

For electronic configurations, which orbital should you start with?

• f

• s

• p

• d

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Tags

NGSS.HS-PS1-1

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶4s²3d¹

Tags

NGSS.HS-PS1-1

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• 4