Using Bohr's equation for the energy levels of the electron in ...

[captainjonesify]

Using Bohr's equation for the energy levels of the electron in the hydrogen atom, determine the energy (J) of an electron in the n = 4 level.
 
  A) -1.36  10-19
  B) -5.45  10-19
  C) -7.34  1018
  D) -1.84  10-29
  E) +1.84  10-29

Question 2

For resonance forms of a molecule or ion, ________.
 
  A) one always corresponds to the observed structure
  B) all the resonance structures are observed in various proportions
  C) the observed structure is an average of the resonance forms
  D) the same atoms need not be bonded to each other in all resonance forms
  E) there cannot be more than two resonance structures for a given species

[Zebsrer]

Answer to Question 1

A

Answer to Question 2

C

[captainjonesify]

TYSM

[nguyenhoanhat]

Wow, this really help