69. The diagram below represents electronic arrangement of a particular atom. Study this diagram and answer the questions that follow. ** ** (a) The relative atomic mass of the atom represented is 23. (i) What is its proton number?. (ii) What is its neutron number? (b) (i) In which group of the periodic table is the element found? (ii) Explain your answer in (b) (i). ..[1] ..[1] [1] [1]
