Explanation Of S – Block (Group II A Elements)
Group IIA Elements: Beryllium (Atomic number – 4) Magnesium (Atomic number – 12) Calcium (Atomic number – 20) Strontium (Atomic number – 38) Barium (Atomic number – 56) Radium (Atomic number – 88) Have 2 electrons in the outermost orbit. By loosing two electrons they form stable + 2 ions. They are divalent and show Read more about Explanation Of S – Block (Group II A Elements)[…]