Question

Atomic number of a metal having 12 neutrons and mass number 23 isThe atomic numbers of the elements X,Y and Z are 2, 10 and 16 respectively. Identify the element which does not exist in mono atomic state.​

Answer 1

Answer:

11 and element Z

Explanation:

Atomic number of a metal having 12 neutrons and mass number 23 is 11. Metal is Sodium.

Element with atomic number 16 is Sulphur. It exists as S8(8 atoms in 1 molecule).