Which of the following statements is incorrect about IIA and VIIA group element?
Correct answer: B. Option B
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation
The correct answer is Option B. The statement is incorrect because it mistakenly describes the properties of alkaline earth metals (Group IIA) and halogens (Group VIIA). Alkaline earth metals form basic oxides with the formula MO2, while halogens form acidic oxides with the formula X2O. Options A, C, and D do not provide incorrect statements about IIA and VIIA group elements, making them incorrect.
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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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