Periodic Table of the Elements

1. Periodic Table of the Elements The Chemist’s Organizational Chart PGCC CHM 101 Sinex

2. Los Alamos National Laboratory's Chemistry Division Periodic Table of the Elements noble gases non-metals +1 metals +2 +3 -3 -2 -1 typical charge on ion in binary compound atomic number atomic mass transition metals http://pearl1.lanl.gov/periodic/default.htm

3. Physical States at Room Conditions gases liquids solids 105 Db 107 Bh Modified from http://www.cem.msu.edu/~djm/cem384/ptable.html

4. Natural vs. Man-Made Elements natural elements man-made elements not found on Earth 105 Db 107 Bh

5. Biologically Important Elements large quantities ultratrace amounts 105 Db 107 Bh Geoff Rayner-Canham, Descriptive Inorganic Chemistry, 2nd ed., Freeman (2000) All other elements have no known biological function.

6. Elements considered particularly toxic toxic 105 Db 107 Bh Geoff Rayner-Canham, Descriptive Inorganic Chemistry, 2nd ed., Freeman (2000)

7. MolecularNature of Free Elements diatomic tetratomic octatomic 105 Db 107 Bh All other free elements are atomic in nature.

8. All Isotopes Radioactive no stable forms 105 Db 107 Bh

9. Electronic Structure sblock pblock dblock 105 Db 107 Bh fblock

10. 105 Db 107 Bh Valence Electrons for group A elements sblock pblock 0 +1 Charge on stable monatomic ion ± 4 +3 -3 -2 -1 ns2np6 ns1 +2 ns2np3 ns2np1 ns2np2 ns2np4 ns2np5 ns2 8A 1A 3A 4A 5A 6A 7A 2A Group B Period number gives shell (n)

11. 105 Db 107 Bh Hydride Chemistry (binary hydrogen compounds) ionic covalent polymeric salts with H- molecules with +1 chains with H-to-H bonds 8A 1A 3A 4A 5A 6A 7A 2A metallic interstitial H2 Group B mostly gases, some liquids solids

12. For the best interactive and informative periodic table seeWebElements. Click on the element symbol and then use the menu to the left to select information.