element table

element table   Dan elements

Mendeleev discovered the periodic table while attempting to organise the elements in February of 1869 He did so by

ตารางธาตุ : Periodic Table of the Elements  eriodic Table of Elements Li7 3 lithium Na23 11 sodium K39 19 potassium Rb85 37 rubidium Cs133 55 caesium Fr 87 * The Lanthanides (atomic

เครดิตฟรี39 Tungsten There's no other way to say it, tungsten is tough The super-dense element is almost impossible to melt — in fact, it has the highest melting The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows and columns