Write down subshell electronic configura-tion of `Cu^(1+)` and `Cu^(2+)`

Write down the subshell electronic config-uration of Fe^(2+) .

The element Cu with atomic number 29 undergoes chemical reaction to form an ion with oxidation number +2. a) Write down the subshell electronic configuration of this ion? b) Can this element show variable valency? Why? c) Write down the chemical formula of one compound formed when this elemrnt reacts with chlorine (Cl_17)

Write the subshell electronic configuration of Manganese(Mn).

FeCl_2 and FeCl_3 are two different chlorides of iron. [Hint : Atomic Number of Fe = 26 Oxidation state of CI = (-1) Write down the subshell wise electronic configuration of Fe^(3+)

Write the subshell wise electronic configu-ration of potassium

Write down the electronic configuration of: (i) Cr^(3+) (ii) p m^(3+) (iii) Cu^+ (iv) Ce^(4+) (v) CO^(2+) (vi) Lu^(1+) (vil) Mn^(2+) (viii) Th^(4+)

The element X in group 17 has 3 shells. If so: Write the subshell electronic configura-tion of the element.

Using the symbol of neon, write the subshell electronic configuration of sodium?

There are 4 shells in the element X. The 3d subshell of X contains 6 electrons. (symbol is not real) a. Write down the complete subshell electronic configuration of X. b. Identify the Group and block. c. Write two characteristics of the elements in which X is included? d From which subshell does this element loses its electrons to show +2 oxidation state?