The only valid electron state and shell designation among the ...

[V@ndy87]

The only valid electron state and shell designation among the following is
 
  A) 1p, K (n = 1 ) shell.
  B) 2s, K (n = 1 ) shell.
  C) 1s, L (n = 2 ) shell.
  D) 2p, L (n = 2 ) shell.
  E) 3f, M (n = 3 ) shell.

Question 2

At what distance from the central axis of a long straight thin wire carrying a current of 5.0 A is the magnitude
 
  of the magnetic field due to the wire equal to the strength of the Earth's magnetic field of about 5.0  10-5 T? (0 = 4  10-7 T  m/A)
  A) 5.0 cm B) 4.0 cm C) 2.0 cm D) 3.0 cm E) 1.0 cm

[ASDFGJLO]

Answer to Question 1

D

Answer to Question 2

C