Periodic Table
{"name":"Periodic Table", "url":"https://www.quiz-maker.com/Q94HJA5K7","txt":"Dobereiner arranged elements in increasing order of of, Group 1 ,2 ,13 and 17 element are called, Non metals are placed at the upper right corner of the periodic table .","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}