Question

Multiple choice questions :
Elements belonging to same group of periodic table have generally the same
a) Electronic configuration
b) Number of electrons in outermost shell
c) Chemical properties
d) Physical properties​

Answer 1

Answer:b number of electrons in outermost shell

Explanation:

Answer 2

Answer:

(b) Number of electrons in outermost shell

valence shell increase consecutively by +1 but valence electrons remain same.