Special site of Dr Elements' Periodic Table

: The Periodic Table periodic table

The number of elements in a period increases as one moves down the periodic table because as the energy level of the atom increases, the number of energy sub-

periodic table of elements List of Periodic Table elements sorted by → Atomic number No *, A weight, Name, Sym , , Density* , Earth ตารางธาตุ : Periodic Table of the Elements  The Periodic Table of the Elements 1 H Hydrogen 2 He Helium 3 Li Lithium 4 Be Beryllium 5 B Boron

อ สม ท ที่ อยู่ VIDEOS A lesson about every single element on the periodic table Created by the Periodic Videos team using the TED-Ed platform