Element Boron Carbon Silicon
Atomic number (Z)
Ground state (G.S.) full e-
confi
g
uration
G.S. short hand e- config.
Group # in Periodic Table
Period # in Periodic Table
Valence e- configuration
Core e- configuration
Effective nuclear charge
(Z*eff)
Valence e- configuration -
Orbital diagram
No. unpaired e-
Magnetic properties (dia-
or paramagnetic?)
Boundary diagram for the
highest E valence e-
Radial distribution
diagram for the highest E
valence e-
Electron density diagram
for the lowest E valence e-
Qualitative comparison of
first ionization energy, IE1
CHEM 201 (L01/L02) – Fall 2023 Chapters 1 & 2 – Practice sheet
Dr. F. Jalilehvand
