element table

element table   Dan elements

The periodic table was developed by grouping elements with similar properties This, together with a later arrangement by atomic weight, led to a repeating

Each element within the periodic table has its own block Within these blocks are identifying numbers and letters The number on the very top is called the The interactive periodic table of elements

วิธีดูราคาบอลไหล The Periodic Table of the Elements 1 H Hydrogen 2 He Helium 3 Li Lithium 4 Be Beryllium 5 B Boron  The periodic table of elements is an arrangement of all of the known chemical elements They are arranged in a specific configuration in order to reflect