Which of the following species would be expected to be paramagnetic?

Which elements do you think would have been named by
$(i)$ Lawrence Berkeley Laboratory
$(ii)$ Seaborg's group?

Which of the following ions is diamagnetic?

The aqueous solutions of the following salts will be coloured in the case of:

The correct electronic configuration of the element $Au$ is

Number of paramagnetic ions among the following $d$- and $f$-block metal ions is . . . . . . . $Mn^{2+}$, $Cu^{2+}$, $Zn^{2+}$, $Yb^{2+}$, $Sc^{3+}$, $La^{3+}$, $Gd^{3+}$, $Lu^{3+}$, $Ti^{4+}$, $Ce^{4+}$. (Atomic number of $Mn = 25$, $Cu = 29$, $Zn = 30$, $Yb = 70$, $Sc = 21$, $La = 57$, $Gd = 64$, $Lu = 71$, $Ti = 22$, $Ce = 58$)