(a(i))[1]
Which atom, A, B, C, D or E, contains 8 electrons altogether?
(a(ii))[1]
Which atom, A, B, C, D or E, belongs to Group III of the Periodic Table?
(a(iii))[1]
Which atom, A, B, C, D or E, contains 13 protons?
(a(iv))[1]
Which of the atoms A, B, C, D or E is a noble gas?
(a(v))[1]
Which atom, A, B, C, D or E, forms a stable ion with a charge of $-1$?
(b)[3]
Fill in the table to give the numbers of electrons, neutrons and protons in the sulfur atom and oxide ion shown.