If the K and L shells of an atom are full, then what would be the total number of electrons in the atom?
Number of electrons in a shell
(a) What are valence electrons? Where are valence electrons situated in an atom ?
(b) What is the number of valence electrons in the atoms of an element having atomic number 13 ? Name the valence shell of this atom.
What is the maximum number of electrons which can be accommodated in the :
(b) outermost shell of an atom?
If K,L,M shells of an atom are completely filled with electrons, then : I) What would be the total number of electrons in the atom? &
2)Find its valency.