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PGCC CHM 101 Sinex
Periodic Table of the Elements
The Chemist’s Organizational Chart
Los Alamos National Laboratory's Chemistry DivisionPeriodic Table of the Elements
metals non-metals
transition metals
+1
+2 +3 -3 -2 -1
noblegases
http://pearl1.lanl.gov/periodic/default.htm
atomic number
atomic mass
typical charge on ion in binary compound
Modified from http://www.cem.msu.edu/~djm/cem384/ptable.html
gases liquids
105
Db
solids
107
Bh
Physical States at Room Conditions
man-made elements
not found on Earth
natural elements
105
Db107
Bh
Natural vs. Man-Made Elements
large quantities
ultratrace amounts
All other elements have no known biological function.
Geoff Rayner-Canham, Descriptive Inorganic Chemistry, 2nd ed., Freeman (2000)
105
Db107
Bh
Biologically Important Elements
Elements considered particularly toxic
105
Db107
Bh
toxic
Geoff Rayner-Canham, Descriptive Inorganic Chemistry, 2nd ed., Freeman (2000)
diatomic tetratomic octatomic
All other free elements are atomic in nature.
105
Db107
Bh
Molecular Nature of Free Elements
no stable forms
105
Db107
Bh
All Isotopes Radioactive
s blockp block
d block
f block
105
Db107
Bh
Electronic Structure
s block p block
105
Db107
Bh
Valence Electronsfor group A elements
ns1
ns2
ns 2np 1ns 2np 2
ns 2np 3
ns 2np 4ns 2np 5
ns 2np 6
3A 4A 5A 6A 7A
1A
2A
8A
Group B
+1
+2+3 -3 -2 -1
0± 4Charge on
stable monatomic ion
Period number gives shell (n)
105
Db107
Bh
Hydride Chemistry (binary hydrogen
compounds)
3A 4A 5A 6A 7A
1A
2A
8A
Group B
ionic
metallic
covalent
salts with H-
solidsmostly gases, some liquids
polymeric
interstitial H2
molecules with +1
chains with H-to-H bonds
For the best interactive and informative periodic table
see WebElements.
Click on the element symbol and then use the menu to the left to select
information.
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