An electron in a Bohr hydrogen atom has an energy of -1.362 ...

[NClaborn]

An electron in a Bohr hydrogen atom has an energy of -1.362  10-19 J. The value of n for this electron is ________.
 
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5

Question 2

Bond enthalpy is ________.
 
  A) always positive
  B) always negative
  C) sometimes positive, sometimes negative
  D) always zero
  E) unpredictable

[anyusername12131]

Answer to Question 1

D

Answer to Question 2

A

[NClaborn]

Thanks for the timely response, appreciate it

[laurnthompson]

Excellent