Question

Element 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:

a)electronic configuration

Explanation

Elements in same group have similar configuration of outermost shell. Thus the properties of elements that depend on the electronic configuration are similar for elements for same group

Answer 2

Answer:

b)Number of electrons in outermost cell