Lead is a not a noble gas; lead is a post-transition solid metal, group 14 , period 6 of the Periodic Table of Mendeleev.
noble gas family, group 18
Helium belongs in the noble gas family, which is group 18 (VIIIA or 0) on the periodic table. It is a noble gas because its valence shell is filled (with two electrons) and it is completely non-reactive.
noble gas
Krypton is a Noble Gas that was discovered in 1898 by William Ramsey and Morris William Travers. :)
noble gas family
Argon belongs to the family of Noble Gases.
noble gas family, group 18
neon is a noble gas.
Noble gases. Also known as Group Zero and inert gases.
Uranium is a not a noble gas, but a metal, solid, radioactive, member of the actinides (actinoids) family.
Helium is a gas, belonging to noble gases (group 18)
Helium belongs in the noble gas family, which is group 18 (VIIIA or 0) on the periodic table. It is a noble gas because its valence shell is filled (with two electrons) and it is completely non-reactive.
Krypton belongs to the Noble Gas Family or the Inert Gas Family.
Noble gas family, of course!
All of these elements belong to the noble gas family or group 18 on the modern periodic table
noble gas
No, lead is a metal.