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What is an amphoteric oxide? Give the fo...

What is an amphoteric oxide? Give the formula of an amphoteric oxide formed by an element of group-13.

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The oxide which contains both acidic as well as basic nature is called amphoteric oxide.
`rarr` The oxides reacts with both acids and bases and forms salts. Eg: `Al_(2)O_(3)` is one of the amphoteric oxide formed by the Group -13 element Aluminium
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Very Short Answer Questions
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  2. What is the valency possible to Arsenic with respect to oxygen and hyd...

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  3. What is an amphoteric oxide? Give the formula of an amphoteric oxide f...

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  4. Name the most electronegative element. Is it also having the highest e...

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  5. What is diagonal relation? Give one pair of elements, that have this r...

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  6. How does the nature of oxides vary in the third period?

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  7. Radii of iron atom and its ions follow Fe > Fe^(2+) > Fe^(3+) - explai...

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  8. IE(2) > IE(1) for a given element - why?

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  9. What is lanthanide contraction? Give one of its consequences.

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  10. What is the atomic number of the element, having maximum number of unp...

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  11. Sodium is strongly metallic, while chlorine is strongly non-metallic -...

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  12. Why are zero group elements called noble gases or inert gases?

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  13. Select in each pair, the one having lower ionization energy and explai...

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  14. Select in each pair, the one having lower ionization energy and explai...

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  15. Select in each pair, the one having lower ionization energy and explai...

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  16. Select in each pair, the one having lower ionization energy and explai...

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  17. Select in each pair, the one having lower ionization energy and explai...

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  18. Select in each pair, the one having lower ionization energy and explai...

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  19. Select in each pair, the one having lower ionization energy and explai...

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  20. IE(1) of O < IE(1) of N but IE(2) of O > IE(2) of N - Explain.

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