Periodic Table of Elements

Features · This periodic table of elements contains 83 real element samples, and some elements are even more expensive than gold · 【High-

The periodic table contains seven periods 5 In each period, the elements' atomic numbers increase from

periodic table of elements Interactive periodic table with element scarcity , discovery dates, melting and boiling points, group, block and period information

three of wands ความหมาย Between 1868 and 1870, in the process of writing his book, The Principles of Chemistry, Mendeleev created a table or chart that listed the known elements