Which of the following order of element is wrong?
Options
(a) NH₃ (b) Li (c) Al₂O₃ (d) Li⁺
Correct Answer:
Li Explanation:
Along the period, I.P. generally increases butnot regularly. Be and B are exceptions. First I.P. increases in moving from left to right in a period, but I.P. of B is lower than Be