The value of magnetic quantum number of the outermost electron of Zn⁺ ion is ______________.

The empirical formula for a compound with a cubic close packed arrangement of anions and with cations occupying all the octahedral sites in A_xB. The value of x is _____________. (Integer answer)

In the electrolytic refining of blister copper, the total number of main impurities, from the following, removed as anode mud is ______________

Pb, Sb, Se, Te, Ru, Ag, Au and Pt

The pH of a solution obtained by mixing 50 mL of 1 M HCl and 30 mL of 1 M NaOH is x $$\times$$ 10^$$-$$4. The value of x is ____________. (Nearest integer) [log 2.5 = 0.3979]