Monday, December 24, 2007

Application Questions Ch. 3 Atomic Structure

1. The quantum numbers of last electron in an atom are 4,0,0,1/2. the atomic number of the element would be:

a) 21
b) 20
c) 19,20,29,30
d) 19,20

2 comments:

Babu said...

answer is- (d)

NIX said...

answer must be D