An electron in a ________ subshell experiences the greatest ...

[Awilson837]

An electron in a ________ subshell experiences the greatest effective nuclear charge in a many-electron atom.
 
  A) 3f
  B) 3p
  C) 3d
  D) 3s
  E) 4s

Question 2

The reaction below is first order in H2O2: 2H2O2 (l)  2H2O (l) + O2 (g)
 
  A solution originally at 0.600 M H2O2 is found to be 0.075 M after 54 min. The half-life for this reaction is ________ min.
  A) 6.8
  B) 18
  C) 14
  D) 28
  E) 54

Question 3

Viruses are usually composed of combinations of
 
  A) carbohydrates and nucleic acids.
  B) proteins and nucleic acids.
  C) fats and proteins.
  D) proteins and carbohydrates.

[Jsherida]

Answer to Question 1

D

Answer to Question 2

B

Answer to Question 3

B

[Awilson837]

Thank you!

[Jsherida]

Always glad to help...