Electron Configuration

As an electron drops from n=5 to n=2

• Energy is absorbed from blue light

• Energy is released from blue light

• The electron is ejected from the atom

• the proton is emitted from the nucleus

The quantum mechanical model of the atom best describes

• The probable location of the electron can be determined

• The exact location of an electron can be pinpointed

• Electrons lose energy as they orbit and fall into the nucleus

• The exact location of a neutron can be determined

Electron configuration rule stating "electrons occupy orbitals of lowest energy first"...

• Hund's Rule

• Pauli Exclusion Principle

• Aufbau Principle

• none of the above

Which element is represented by the following electron distribution?                                                                          1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰

• NI

• Zn

• Ge

• Ga

What is the noble gas configuration for oxygen?

• [Ar] 3p⁴

• [He] 3s² 3p⁴

• [He] 2s² 2p⁴

• [He] 2s² 2p3

What is the electron configuration for Bromine; Br?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁵

• 1s² 2s² 2p⁴

• 1s² 2s² 2p⁶

How many electrons can the first energy level hold?

• 2

• 8

• 18

• 36

How many electrons can the "d" sublevel hold?

• 2

• 6

• 10

• 14

How many total electrons can the  "f" sublevel hold?

• 2

• 6

• 10

• 14

What is the noble gas configuration for sulfur, S?

• [Ar] 3p⁴

• [Ne] 3s² 3p⁴

• [He] 3s² 3p⁴

• [Na] 3s² 3p⁴