Question

All the elements in the same group of the modern periodic table have the same number of valence electrons.

• A. True
• B. False

Answer 1

The correct option is A True

True. All the elements in the same group of the modern periodic table have the same number of valence electrons. For example, take group-2 elements- Be, Mg, Ca, Sr, Ba and Ra. All the elements have 2 electrons in their outermost shell i.e. the number of valence electrons is the same.