Question

(a) Write the electron arrangement in (i) a magnesium atom, and (ii) an oxygen atom.
(b) How many electrons are there in the valence shell of (i) a magnesium atom, and (ii) an oxygen atom?
(c) Show on a diagram the transfer of electrons between the atoms in the formation of MgO.
(d) Name the solvent in which ionic compounds are generally soluble.
(e) Why are aqueous solution of ionic compounds able to conduct electricity?

Answer 1

Answer:

(a). K. L. M

mg. 2. 8. 2. (+2)

O. 2. 6. (-2)

(b).mg,2electron are their in outer most shell. (+2)

O, 6electron are their in outer most shell.(-2)

(c) Mg. O

+2. -2

so,+2 will go to -2 and electrical neutral.