The number of electrons in an atom of atomic number Z and mass number A is
The number of paired electrons in oxygen atom is :
The number of unpaired electrons in carbon atom is -
An element has atomic number 13 and an atomic mass of 27. The number of electrons in each atom of this element is ____________ and the number of neutrons is _________
BEIITIANS-BASICS OF CHEMISTRY -IIT JEE WORKSHEET (INTEGER TYPE)