Periodic Table of the Elements - Sigma-Aldrich

The periodic table of elements puts all the known elements into groups with similar properties This makes it an important tool for chemists

PERIODIC TABLE OF THE ELEMENTS 1 2 H He 2 13 14 15 16 17 3 Li 11 Na 4 Be 12 Mg 3 4 5 6 7 8

periodic table View the latest release of the Periodic Table includes the recently added elements 113, 115, 117, and 118 with their temporary names and

treasures of aztec The elements are arranged in order of increasing atomic number across a period from left to right, so each element has one more proton in its nucleus compared