Question

Magnesium oxide does not readily decompose into magnesium and oxygen. The reaction is shown below.

MgO(s) + 601.7 kJ mc017-1.jpg Mg(s) + ½O2(g)

Which factor plays the most important role in allowing this reaction to occur?

Answer 1

agnesium is a chemical element with symbol Mg and atomic number 12. It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure.