Sodium, magnesium, aluminium, silicon and phosphorus are all elements in Period 3 of the Periodic
Table.
Three statements about the oxides and chlorides of these elements are given.
1 The ionically bonded oxides all react with dilute hydrochloric acid.
2 All metal chlorides produce neutral solutions when added to water.
3 The two most electronegative elements both form covalently bonded chlorides.
Which statements are correct?
1 )
1, 2 and 3
2 )
1 and 2 only
1 and 3 only
4 )
2 and 3 only
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