Fr = Francium - the chemical element of atomic number 87, a radioactive member of the alkali metal group. Francium occurs naturally as a decay product in uranium and thorium ores.
Sn stands for the element tin in the periodic table.
Calcium.
Helium.
water
cerium
It stands for Francium
Fr
N stands for Nitrogen on the periodic table.
Francium (Fr)
Yes , Fr is an alkali metal. It is placed in group-1
Fr is the element having atomic number 87. It is placed in group-1 and period-7 of Periodic Table.
Beryilium
iodine
there is no such element
iodine
Sn stands for the element tin in the periodic table.
No, the symbol "H" stands for Hydrogen on the periodic table. The symbol "He" stands for Helium on the periodic table.