Periodic Table of the Elements

List of Elements of the Periodic Table periodic table of elements Periodic table periodic table The Periodic Table of the Elements 1 H Hydrogen 2 He Helium 3 Li Lithium 4 Be Beryllium 5 B Boron

ไพ่ knight of pentacles Periodic Table of the Elements 1+ 2+ 3+ 3- 2- s1 s2 d1 d2 d3 d4 d5 d6 d7 d8 element name atomic number symbol 2001 atomic mass KEY 2- most common