True: Gold is an element., Hydrogen's Atomic Number is 1., The Periodic Table has 7 Rows., The Periodic Table shows 118 elements., There are 92 naturally occurring elements., False: Helium's symbol is HE., Uranium has the lightest atoms., H2O is an element., Only the narrow version of the Periodic Table is correct.,

6th Video C

Leaderboard

Visual style

Options

Switch template

Continue editing: ?