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Th is element number 90 on the periodic table It is thorium, it is in the Actinides, and it is radioactive
Uranium
period
Krypton is the 36 th element in the periodic table. It is a noble gas belonging to 4th period of the periodic table.
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
Th symbol is used for Thorium element.It has atomic number 90.It is a radioactive actinide metal.
It comes from the Latin word for gold: aurum.
Thallium Wrong, check the periodic table, it's "Thorium" number 90 on the table
the number of pt,n,e- make each atom diff.oxygen as an example the number at th etop of an periodic table on th left is the atomatic # of protons.
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.