What is the number of unpaired electrons in $Ti$ in $+3$ state?

The electronic configuration (outermost) of $Mn^{2+}$ ion (atomic number of $Mn = 25$) in its ground state is

Which transition element does not exhibit variable oxidation states?

$Zn$,$Cd$,and $Hg$ show the properties of

Elements $A$ and $B$ do not form an alloy because....

The $d-$block element which is a liquid at room temperature,has a high specific heat,lower reactivity than hydrogen,and its chloride $(MX_2)$ is volatile on heating is