[Q,U,E,S,T,I,O,N,S],[hline" What is the common name of the compound "," CaOCI? ",,,,]

Write the common and I.U.P.A.C. names of the following compounds:

Write the common and I.U.P.A.C. names of the following compounds:

In the following table, seven elements P,Q,R,S,T,U and V (here letters are not the usual symbol of the elements)of the modern periodic table with their atomic numbers are given If Q combines with U, what would be the formula of the compound formed? If Q and U are replaced by their respective metals what will be the formula of the compound formed.

If A={a,e,I,o,u,a,e,i} then n (A) ______