Question

[Solvelancer
Test|The minimum energy necessary to eject a 3s electron from phosphorus will be
in comparison with 4th ionization energy -[SolveLancer Test]
(a) lower
(b) greater
(c) Same
(d) cannot be answered from the given
information​

Answer 1

$\rm\huge\underline{Answer}$

the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.