Question

What are representative elements?
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Answer 1

✔✅In chemistry and atomic physics, the main group is the group of elements whose lightest members are represented by helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, and fluorine as arranged in the periodic table of the elements. The main group includes the elements in groups 1 and 2, and groups 13 to 18.

Answer 2

Brief description of representative elements

1. Outermost shell is incompletely filled.

2. Excluding 18th group, remaining ‘S’ & ‘P’ block elements (IA, IIA, IIIA, IVA, VA,

VI A, VII A) are called as representative elements.

3. Most of these elements are abundant and active.

4. Outer electronic configuration ns¹ np¹⁻⁵

5. Metals, Non-metals and metalloids are present.