Author Question: What is the electron configuration of Fe? A) 1s2 2s2 2p6 3s2 3p6 3d8 B) 1s2 2s2 2p6 3s2 3p6 4s2 ... (Read 75 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
What is the electron configuration of Fe?
 
  A) 1s2 2s2 2p6 3s2 3p6 3d8
  B) 1s2 2s2 2p6 3s2 3p6 4s2 3d6
  C) 1s2 2s2 2p6 3s2 3p6 4s2 4p6
  D) 1s2 2s2 2p6 3s2 3p6 4s2
  E) 1s2 2s2 2p6 3s2 3p6 3d6

Question 2

Calculate the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49  1014 Hz.
 
  A) 2.75  10-19 J
  B) 3.64  10-19 J
  C) 5.46  10-19 J
  D) 1.83  10-19 J
  E) 4.68  10-19 J



Kimmy

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

For a complete list of videos, visit our video library