HCl is a compound. It is formed by hydrogen and chlorine present in periodic table.
Number 81 on the periodic table is Thallium.
Number 38 on the periodic table is Strontium.
The number of each period in the modern periodic table represents the number of shells. There are 7 periods in periodic table.
They form the periodic table of elemennts (the table of Mendeleev).
HCl is a compound. It is formed by hydrogen and chlorine present in periodic table.
atomic number
HCl is not a metal, it is a compound. That compound too, does not have any mettalic characteristics.
the number of helium in the periodic table is 2.
Number 81 on the periodic table is Thallium.
Number 38 on the periodic table is Strontium.
Gold is number 79 on the periodic table
The elements arranged according to their atomic number in the table are called periodic table.
The number of each period in the modern periodic table represents the number of shells. There are 7 periods in periodic table.
It is number 56 on the Periodic Table of Elements
According to the modern periodic table "Elements are the periodic function of their atomic number".They are arranged in increasing atomic no. in the periodic table.
The periodic table is arranged by the Atomic Number