Question

Intext Questions 1. What are the conditions necessary for the formation of covalent molecules ? 2. Elements A, B and C have atomic numbers 17,19 and 10 respectively (a) State which one is : (i) a non-metal (1) a metal, (iii) chemically inert? (b) Write down the formula of the compound formed by two of the above elements, 3. Draw electron dot diagram and structure of (a) nitrogen molecule (b) magnesium chloride (a) methane (2017)​

Answer 1

Answer:

(1) To form a covalent molecule necessary conditions are required: There must be a presence of valence electrons; it can be four or more than four valence electrons that are participating to form a covalent bond. The atoms that combine together to form a covalent bond must have equal electronegativity difference.