The values of four quantum numbers of valence electrons in an element X are n = 4, l = 0, m = 0, $s = \frac{1}{2}$ . The element is:

Question

The values of four quantum numbers of valence electrons in an element X are n - 4- l - 0- m - 0- s-frac-1-2- The element is-KTiNaSc

Toppr Admin · Accepted Answer

The valence electron is in the 4s orbital since n-4-l-0-m-0-s-12- Therefore- possible elements are K and Ca-

The values of four quantum numbers of valence electrons in an element X are n = 4, l = 0, m = 0, $s = \frac{1}{2}$ . The element is:
$K$
$T i$
$N a$
$S c$