Th is element number 90 on the Periodic Table
It is thorium, it is in the Actinides, and it is radioactive
Krypton is the 36 th element in the periodic table. It is a noble gas belonging to 4th period of the periodic table.
Uranium
ewan q . pota
Ci means chlorine in the periodic table
Er means erbium in the periodic table. It belongs to lanthanide series.
Krypton is the 36 th element in the periodic table. It is a noble gas belonging to 4th period of the periodic table.
Uranium
period
There are 18 groups in the modern periodic table. The groups are also referred as families.
mercury, mercury is the 80 th element on the periodic table.
ewan q . pota
Ci means chlorine in the periodic table
Iodine
Helium
Oxygen,
Sulphur is the element which is non metallic and has 32 as its atomic mass. It is placed in group-16 of the periodic table.
Er means erbium in the periodic table. It belongs to lanthanide series.