The wavelength of an electron whose velocity is 1.7 104 m/s and ...

[sammy]

The wavelength of an electron whose velocity is 1.7  104 m/s and whose mass is 9.1  10-28 g is ________ m.
 
  A) 4.3  10-11
  B) 12
  C) 4.3  10-8
  D) 2.3  107
  E) 2.3  10-7

Question 2

The electron configuration of the S2- ion is ________.
 
  A) Ar3s23p6
  B) Ar3s23p2
  C) Ne3s23p2
  D) Ne3s23p6
  E) Kr3s22p6

[chinwesucks]

Answer to Question 1

C

Answer to Question 2

D

[sammy]

Gracias!

[Laurenleakan]

Wow, this really help