The element Cu with atomic number 29 undergoes chemcial reaction to formation with oxidation number +2: write down the subshell electronic con-figuration of the ion.

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

The element Cu with atomic number 29 undergoes chemcial reaction to formation with oxidation number +2: Write downthe chemical formula of one compound formed when this element re-acts with chlorine ("17CI) .

The element Cu with atomic number 29 undergoes chemcial reaction to formation with oxidation number +2: Can this element show variable valency? Why?

When the element Fe with atomic number 26 undergo chemical reactions, ions with +3 oxidation state are formed. a) Write the subshell electronic configuration of Fe. b) Write the subshell electronic configuration of the ions formed during chemical reactions. c) Does the element show various oxidation states. Why?

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

The Atomic number of Copper is 29: Write the subshell electronic configuration of copper.

Boron is an element with atomic number 5. Write down the electronic configuration of boron.

Write the oxidation number and subshell electronic configuration K, CI and O.

The atomic number of an element is 19. Write the subshell electronic configuration.