Chapter 9 Flashcards
1
Q
Principal quantum number
A
The # of an element’s row on the periodic table (except-1 in rowD) 1s,2s,2p,3s,3p,4s,4p,5s,4d,5p,6s…
2
Q
Subshell letters
A
S-metals,P-nonmetals,D-transitionals,F
3
Q
Subshell axis’s
A
S,P(xyz),D(1-5)- each can hold 2 e-
4
Q
Electron configuration
A
e- goes in an upspin across all axis’s first.
5
Q
Electron configuration exceptions
A
Cr: in the D sublevel, the atom takes the downspin from S^2 and assigns it to D^5
Cr=[Ar] 4S^1 3D^5 Same for Cu 4S^1…3D^1
6
Q
Electron configurations of ions
A
Are the same as the nearest noble gas
7
Q
Ionization energy
A
Energy required to REMOVE and electron
+->, -v
8
Q
Metallic Character
A
How easy it is to LOSE and electron - ->, +v
9
Q
Atomic size trend
A
- ->, + v
