Question

Identify the element that has the highest IP. why ? Give the reason. i) Mg, Na
ii) O,N​

Answer 1

2nd I.P of Sodium is greater than Mg. Because Na+ has a noble gas electronic configuration, which is more stable. But Mg+ has a single electron which can easily be removed by applying less amount of energy than 'Na' 2nd I.P

Answer 2

Answer:

i)Mg

ii)O

Explanation:

IP increases on moving left to right in a period..