1) who created the periodic table  a) Albert Einstein b) Isaac newton c) Charlie Dawrwin  d) Marie curie  e) Galileo Galilei f) Demetri Mendeleev 2) which element means air that we breath a) oxygen b) chloride c) borax d) aluminum e) helium f) gold 3) how many vertical columns are there in the periodic table  a) 8 b) 12 c) 10 d) 6 e) 18 f) 9 4) what is hydrogens atomic number a) 2 b) 1 c) 4 d) 6 e) 3 f) 17 5) what is carbons symbol a) ca b) cb c) c d) car e) carb f) crb 6) how many elements are there a) 119 b) 120 c) 112 d) 113 e) 116 f) 118 7) how many horizontal rows are there a) 9 b) 8 c) 7 d) 6 e) 10 f) 5 8) how many groups is the periodic table split into a) 9 b) 10 c) 6 d) 11 e) 7 f) 8 9) what is a element a) a simple substance that cannot be broken b) a block c) a small part of a gas d) a solid e) a periodic table f) a substance 10) what is the lowest atomic number a) hydrogen b) chloride c) helium d) gas e) solid f) silver 11) highest atomic number a) oganesson b) oganes c) ogestem d) oxygen e) Mendel f) silver acid

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