The number of electrons in the outermost shell of an atom helps us calculate the _________________.
atomic mass
atomic number
period number
group number
What is the maximum number of electrons which can be accommodated in the :
(b) outermost shell of an atom?
An atom has a mass number A and atomic number Z.
How many electrons are revolving around the nucleus?
The similarity in the properties of a Group of elements is because they have the same___________. (electronic configurations/number of outermost shell electrons/atomic numbers)
The number of electrons in the outermost shell of an atom helps us to calculate the