<h2>Group 1A</h2><h2>Ionic bond or electrostatic bond</h2>
Explanation:
Bond is a type of energy that is responsible to hold two or more same or different types of atoms.
On the basis of bond formation, the bond may be an ionic bond, covalent bond, coordinate bond and some other.
Group 7A elements like chlorine, bromine and some other has 7 electrons in its outermost shell so it receives 1 electron to complete its octet and thus the formation of chloride or other ions takes place having a negative charge.
So 1A group like sodium and some other has 1 electron in its outermost shell and thus loses 1 electron to obtain octane and thus form a positive ion.
Thus attraction takes place between positive ions like sodium ions and negative ions like chloride ions and a bond is formed that is known as an ionic bond or electrostatic bond.
