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The number of valence electrons in an el...

The number of valence electrons in an element belonging to period 3 and group 2 of the Modern Periodic Table is

A

1

B

2

C

3

D

4

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The correct Answer is:
B
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ZEN PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-ZEE ADDITIONAL QUESTIONS SECTIONS (MULTIPLE CHOICE QUESTIONS)
  1. Which element was not known when Mendeleev framed the periodic table?

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  2. Chemical properties of elements depend on

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  3. Which of the following properties of the elements can't be predicted f...

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  4. Non-metals usually form

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  5. In the Modern Periodic Table, elements with similar valenceshell confi...

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  6. Elements in the same group of the periodic table have the same

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  7. Which of the following always increases down a group?

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  8. Which of the following always decreases down a group?

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  9. Which parameter decreases as we move from left to right along a period...

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  10. The number of valence electrons in an element belonging to period 3 an...

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  11. The period and group number of an element with atomic number 7 are

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  12. The number of which of the following atomic particles plays a major ro...

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  13. The longest period in the Modern Periodic Table is the

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  14. Group I elements in the Modern Periodic Table are known as

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  15. The most reactive element of all the elements is

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  16. According to Newlands' law of octaves, the number of elements between ...

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  17. Halogens are present in which group of the Modern Periodic Table?

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  18. The 18th group of elements in the periodic table is called

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  19. The electronic configuration of element x is 2, 8, 8, 1 and the electr...

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  20. The number of groups and periods in the modern periodic table respecti...

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