How many valence electrons does vanadium have?
Which of the following is the correct electron configuration for
Mn2+?
a. | [Ar]4s14d4 | |
b. | [Ar]4d5 | |
c. | [Ar]3d5 | |
d. | [Ar]4s23d3 | |
e. | [Ar]4s24d3 |
Arrange the following atoms in order of increasing size? : In,
N, Si, Ge
Answer
130. atom 4-s Shel