Yes, the eighth group, which is the Iron family, has been discovered.
A group is a column in the periodic table of elements.
In 1894 Sir William Ramsay and Lord Rayleigh discovered the noble gases, which were added to the periodic table as group 0
The number of Valence Electrons of Xenon is 8 because it is in the eighth group on the periodic table
A group in periodic table is the column of element in periodic table
When looking at a periodic table, each column is referred to as a separate group (excluding the transition metals in the middle) Group 8 is the group furthest on the right. It contains the Noble Gases, which include Helium, Neon, Argon, Krypton, Xenon, and Radon.
iron ruthenium osmium
A group is a column in the periodic table of elements.
In 1894 Sir William Ramsay and Lord Rayleigh discovered the noble gases, which were added to the periodic table as group 0
A group in Periodic Table is the column of element in periodic table
When Mendeleev proposed his periodic table, the noble gases had not been discovered, so they did not play a part in his development of the periodic table.
Moseley discovered the modern periodic table.
Chlorine is in Group 17 of the Periodic Table.
17
The number of Valence Electrons of Xenon is 8 because it is in the eighth group on the periodic table
A group in periodic table is the column of element in periodic table
Chlorine is in Group 17 of the Periodic Table.
Lead is in the group 14 of the Periodic Table.