Tabel-Tabel Periodik Unsur

Sumber :http://canov.jergym.cz/vyhledav/varianty/indone.jpg
              http://bangkusekolah.com/2015/11/17/perkembangan-sistem-periodik-unsur
              https://id.m.wikipedia.org/wiki/Tabel_periodik#/media/Berkas%3APeriodic_Table_of_the_elements.jpg