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ewan q . pota
Th is element number 90 on the periodic table It is thorium, it is in the Actinides, and it is radioactive
Thallium Wrong, check the periodic table, it's "Thorium" number 90 on the table
Thorium is a member of the actinoids family, period 7 in the periodic table of Mendeleev. The half life of 232Th is 1,405.1010 years.
Cd is Cadmium.
All chemical elements are placed in the periodic table.
ewan q . pota
Th is element number 90 on the periodic table It is thorium, it is in the Actinides, and it is radioactive
Thallium Wrong, check the periodic table, it's "Thorium" number 90 on the table
No. they dont represent the periodic table.
Element 90 is thorium.
it stands for an element. different squares represent different elements
Thorium is a member of the actinoids family; it is also placed in the period 7 of the periodic table of Mendeleev.
Arsenic
Thorium is a member of the actinoids family, period 7 in the periodic table of Mendeleev. The half life of 232Th is 1,405.1010 years.
Long dashes in the Mendellev's periodic table represent the element which were not discovered yet and these elements were discovered later on.
Symbols represent name of the element. They signify the position of element in periodic table.