Notifications
Clear all
0
29/09/2021 8:15 pm
Topic starter
(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 solutions of ionic compounds able to conduct electricity?
1 Answer
0
29/09/2021 8:19 pm
(a) (i) Magnesium -2, 8, 2
(ii) Oxygen -2, 6
(b) (i) Magnesium = 2
(ii) Oxygen = 6
(c) figure.png
(d) Water
(e) An aqueous solution of an ionic compound conducts electricity because there are plenty of free ions in the solution which are able to conduct electric current.