Two--mercury and bromine
129
Group 3 of the periodic table contains many of the radioactive elements.
The periodic table has about 118 elements, if that's what you're asking.
There are two elements that are liquid always. They are bromine and mercury
How many grams does NO from periodic table have
A period is a row in the periodic table of elements.
There are 18 groups on the periodic table.
There are seven metalloids on the periodic table.
there are five element in group 16 of the periodic table
Groups of the Periodic Table are defined as vertical colums. There are 18 groups in the periodic table.
There are 7 metalloids in periodic table. They are present on zigzag line in periodic table.