Question 6
Metals and their CompoundsWhich of the following options is correct?
- A.metals conduct electricity while non-metals do not
- B.metals have high density while non-metals have low density
- C.metals lose electron (s) during normal reactions
- D.metals form basic oxides, non-metals form acidic oxides
Show the answer and explanation
Answer: D (metals form basic oxides, non-metals form acidic oxides)
Explanation
As a general rule metal oxides are basic and non-metal oxides are acidic. A and B have exceptions (graphite conducts; sodium has low density).