The number of electrons in the outermost shell of an atom helps us calculate the _________________.
What is the maximum number of electrons which can be accommodated in the :(a) innermost shell of an atom?
(b) outermost shell of an atom?
An atom has a mass number and atomic number .
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)