NEETChemistryClassification of Elements and Periodicity in Properties
Why do elements in the same group have similar physical and chemical properties?
Options
- ABecause they have the same number of protons.
- BBecause they have the same atomic mass.
- CBecause they have the same number of neutrons.
- DBecause they have the same number of valence electrons.
Correct answer
D. Because they have the same number of valence electrons.
Step-by-step solution
Correct Option is : (D) Because they have the same number of valence electrons.