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Which one of the following combination r...

Which one of the following combination represent a metallic element?

A

`2,8,7`

B

`2,8,2`

C

`2,8,4`

D

`2,8,8`

Text Solution

Verified by Experts

The correct Answer is:
B
A representive element as last `e^(-)` enter p-orbital.
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A2Z-CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES-Electronegativity And Nature Of Oxides
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  6. Which of the following set has the strongest tendency to form anions?

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  7. 3 and 6 electrons are present in the outermost orbit A and B respectiv...

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

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  9. Increasing order of acid strength of halogen acid is

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

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

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

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

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  14. Oxidising action increases in halogen in the following order

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  15. the maximum valency of an element with atomic number 7 is

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  16. which one of the following oxides is neutral?

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  17. which of the following is the correct order of gradually decreasing ba...

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  18. In which of the following arrangements , the order is not correct acco...

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