1) Who created the periodic table? a) Dmitri Mendeleev b) Garry Kasparov c) Vladimir Lenin 2) What is the atomic number of the element named after the creator of the periodic table? a) 101 b) 67 c) 98 3) Abbreviation of aluminum in the periodic table. a) Al b) Ag c) An 4) Number of elements in the periodic table. a) 118 b) 90 c) 178

Leaderboard

Visual style

Mga Option

I-switch ang template

I-restore ang gi-autosave: ?