Noble gasses
Lawrencium is a member of the actinoids family, period 7 of the Periodic Table of Mendeleev.
1. Ununoctium is placed in the group 18 and period 7 of the periodic table of Mendeleev. 2. Ununoctium is a transactinoid chemical element.
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.
Oxygen is in the group 16 of the periodic table of Mendeleev - chalcogenides group.
Noble gases are in the group 18 of the periodic table of Mendeleev.
Rutherfordium is a transition metal, group 4, period 7 of the periodic table of Mendeleev. It is a transactinoid.
Lawrencium is a member of the actinoids family, period 7 of the Periodic Table of Mendeleev.
1. Bohrium is placed in the group 7 and period 7 of the periodic table of Mendeleev. 2. Bohrium is also a transactinoid chemical element.
1. Ununoctium is placed in the group 18 and period 7 of the periodic table of Mendeleev. 2. Ununoctium is a transactinoid chemical element.
"Family of elements" is the synonym of group (column) in the periodic table of Mendeleev.
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.
Seaborgium is a man made chemical element, radioactive, unstable, atomic number 106, placed in the group 6 and period 7 of the periodic table of Mendeleev. Sg is a metal, solid with a formidable predicted density; it is a member of the transactinides family.
Oxygen is in the group 16 of the periodic table of Mendeleev - chalcogenides group.
Noble gases are in the group 18 of the periodic table of Mendeleev.
Group 16 of the Mendeleev periodic table (chalcogens).
Group 14 in the periodic table of Mendeleev: copper, gold, silver.
Rutherfordium is an artificial chemical element, radioactive, unstable, metal, member of the transactinoids family, it is in the group 4 and period 7 of the periodic table of Mendeleev, etc.