An atom has electronic configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 3d³ 4s², you will place it in

$${}_{92}^{235}$$U, nucleus absorbs a neutron and distintegrate in $${}_{54}^{139}$$Xe, $${}_{38}^{94}$$Sr and $$x$$ so, what will be product $$x$$?

Atomic number of Cr and Fe are respectively 24 and 26, which of the following is paramagetic with the spin of electron?

The hypothetical complex chloro diaquatriammine cobalt(III) chloride can be represented as