Periodic variation of the properties of oxides of the elements of the third period
- Periodic variation of the properties of oxides of the elements of the third period
-
Periodic variation of the properties of oxides of the elements of the third period
group 1 group 2 group 13 group 14 group 15 group 16 group 17
reaction of oxides with water and the acid-base character of hydroxides Na2O gives NaOH (strong base) MgO gives
Mg(
OH)
2 (weak base) Al
2O
3 nonreacting SiO
2 nonreacting P
4O
10 gives H
3PO
4 (weak acid) SO
3 gives H
2SO
4 (strong acid) Cl
2O
7 gives HClO
4 (strong acid)
bonding in oxides Na2O ionic MgO ionic Al2O3
ionic SiO2 covalent P4O10 covalent SO3 covalent Cl2O7 covalent
Source:
From W. Robinson, J. Odom, and H. Holtzclaw, Jr.,
Chemistry: Concepts and Models, D.C. Heath and Co., 1992.
See as table:
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