Which of the following elements form an amphoteric oxide when treated with oxygen?
Correct answer: A. Al
- A. Al
- B. Na
- C. K
- D. Mg
Explanation
Aluminium on reaction with oxygen forms Al2O3 which is an amphoteric oxide.
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About s-Block and p-Block Elements
The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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