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Name an element which has a total of two...

Name an element which has a total of two shells and there are three electrons in its valence shell.

A

Be

B

B

C

Al

D

Mg

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The correct Answer is:
B
B
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ICSE-PERIODIC PROPERTIES OF ELEMENTS -QUESTIONS FOR PRACTICE (Select the correct answer from the given choices (a), (b), (c) and (d).)
  1. Name an element which has a total of three shells and there are four e...

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  2. Which one of the following has the largest atomic radius?

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  3. Name an element which has a total of two shells and there are three el...

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  4. Which one of the following has the smallest atomic radius?

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  5. Name or state with reference to the elements of the modern periodic ta...

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  6. Which element has twice as many electrons in its second shell as in th...

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  7. Which one of the following is most reactive? Li Na K Rb

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  8. Which one of the following is most metallic? Na Mg Al Si

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  9. Which one of the following is least reactive element? F Cl Br I

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  10. Which one of the following is most electronegative? F Cl Br I

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  11. Which one of the following is an oxide of an alkali metal?

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  12. Atomic number is the fundamental property of an element'. Write the na...

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  13. What is the atomic number of an element of period 2 and group 17 of th...

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  14. Which of the following pairs of elements are members of the same group...

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  15. Which one of the following has the largest ionisation energy? Ar Cl ...

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  16. Which one of the following is an alkali metal?

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  17. Which one of the following is a member of halogen family?

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  18. The total number of elements in period 3 of the periodic table is:

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  19. Which electronic configuration corresponds to a noble gas?

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  20. Which electronic configuration corresponds to an alkali metal?

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