The nuclear charge of an atom is the positive charge on the nucleus of an atom, equivalent to the atomic number of an atom.

The nuclear charge of an atom is the positive charge on the nucleus of an atom, equivalent to the atomic number of an atom.
X | Y |
---|---|
1: Element with atomic number 19 | A: Group 18 [0 group] |
2: Element with electronic configuration 2 | B: Group 16 [VI A] |
3: Element with a valency of -2 | C: Group 1 [IA] |
4: Element ‘P’ which loses 3 electrons to form a cation | D: Group 17 [VII A] |
5: Element ‘Q’ in period-3 which has the highest electron affinity | E: Group 13 [III A] |