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An element of atomic mass 40 has 2,8,8,2...

An element of atomic mass `40` has `2,8,8,2`, as the electronic configuration. One of the following statement regarding this elements is not correct?

A

It forms a basic oxide

B

It belongs to IIA group

C

It belongs to IVA period

D

It forms an acidic oxide

Text Solution

Verified by Experts

The correct Answer is:
D
The electronegativity is calcium and hence its oxide `(CaO)` is basic in nature .
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A2Z-CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES-Electronegativity And Nature Of Oxides
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  2. Wiht increasing atomic number in a certain period

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  3. An element of atomic mass 40 has 2,8,8,2, as the electronic configurat...

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  4. Which of the following properties displays progressive increase with t...

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  5. Diagonal relationship is shown by

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  6. The solubilities of carbonates decreases down the magnesium group due ...

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  7. Which of the following denegative anion is quite common?

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  8. Which one of the following represents the electronic configuration of ...

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  9. Which one of the following combination represent a metallic element?

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  10. Beryllium and aluminimum exhibit many properties which are similar . B...

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  11. Mg and Li are similar in their properties due to

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  12. Which of the following set has the strongest tendency to form anions?

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  13. 3 and 6 electrons are present in the outermost orbit A and B respectiv...

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  14. Keeping in view the peroidic law and the periodic table suggest which...

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  15. Increasing order of acid strength of halogen acid is

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  16. Which of the following is the most electropositivite element?

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  17. The basis of keeping the elements in the group of periodic table is

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  18. Which of the following sequence correctly represents the decreasing ac...

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  19. which of the following gas does not have an octet or eight electrons i...

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  20. Oxidising action increases in halogen in the following order

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