Question

From the elements of second period of the modern periodic table given below, answer the following question:

1. Name the elements in which both the shells are completely filled with electrons.
2. Name the element which has same number of electrons in both the shells.
3. Which is the most electropositive element in this period?

Answer 1

1. The element in which both the shells are completely filled with electrons is Neon (Ne).
2. The element which has same number of electrons in both the shells is Beryllium (Be).
3. Lithium is the most electropositive element in this period.