The atomic number of an element X is 16. The symbol of ion formed by an atom of this element will be :

52 Which one of the following property is generally not exhibited by ionic compounds ? 53 The electrons present in the valence shell of a noble gas atom can be : 55 The number of protons in the nucleus of one atom of an element Y is 5. The symbol of ion formed by an atom of this element will be: 56 Out of KCl, HCl, CCl₄ and NaCl, the compounds which are not ionic are: