Which famous chemist revolutionised the way we utilise the Periodic Table?
Isaac Newton
John Dalton
Neils Bohr
Dmitri Mendeleev
Groups are arranged horizontally (representing atomic weight) whilst periods are vertical (representing chemical similarities) on the periodic table.
What is the chemical symbol of Helium?
He
H
Hel
HE
What element is this? Au
Platinum
Argon
Aluminium
Gold
Which elements are in the same group?
Boron
Galium
Indium
Carbon
Arsenic
Which element is heaviest?
Magnesium
Cu
Nitrogen
Fe
I