Q. The heaviest element is?

A
Osmium
B
Iridium
C
Uranium
D
All of these
Solution:
  • The heaviest naturally-occurring element is Uranium , atomic number 92, atomic weight 238.0289.
  • The heaviest gaseous element is Radon.
  • The largest element of the periodic table is Francium.
  • The smallest element – Helium.
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