Explain with examples How elements are united by electro valent bond?

Answer 1

Electrovalent bonds, also known as ionic bonds, form when one atom donates an electron to another, resulting in the formation of positively and negatively charged ions that attract each other. For example, in sodium chloride (NaCl), sodium (Na) loses one electron to become Na⁺, while chlorine (Cl) gains an electron to become Cl⁻. The electrostatic attraction between these oppositely charged ions creates a strong bond, resulting in the formation of the ionic compound NaCl. Another example is magnesium oxide (MgO), where magnesium (Mg) donates two electrons to oxygen (O), leading to the formation of Mg²⁺ and O²⁻ ions.