Periodic Classification of Elements
Matching exercise
Match the items on the right to the items on the left.
Atomic volume
Valency
Group
Isotopes
Noble gases
The volume occupied by one mole atoms of the element at its melting point, in solid state.
combining capacity of an element
The vertical column in the periodic table
atoms of the same element having different atomic mass but same atomic number
any of a group of rare gases that include helium, neon, argon, krypton, xenon.