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Find out whether the following statement...

Find out whether the following statements are true or false. If there is any mistake correct it.
a) The elements of the group 3 to 12 in the periodic table are called representative elements.
b) In the periodic table, the size of the atom decreases as we go top to bottom.

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a) The elements of the group 3 to 12 in the periodic table are called transistion elements.
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V PUBLICATION-PERIODIC TABLE-QUESTION BANK
  1. In which family does the element He belong?

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  2. Find the reason for the follwing: i) Size of the atom decrease from ...

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  3. Find out whether the following statements are true or false. If there ...

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  4. Element A, B , C and its atomic numbers are shown in the table given b...

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  5. List three important characteristics of transistion elements.

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  6. Write down any two major limitation of Mendeleev's periodic table.

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  7. There are three shells in the atom of element 'X', 6 electrons are pre...

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  8. Choose the correct statements from the following and write them. a) ...

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  9. Fill in the blanks intfrac(1)(x)dx=---

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  10. Complete the table.

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  11. Lithium and oxygen are included in the same period in the periodic tab...

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  12. Write down any two advantages of Mendeleev's periodic table.

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  13. Element X, Y, Z and its electronic configuration are shown in the giv...

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  14. Electronic configuration of a few elements are given (Symbols are not ...

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  15. The amount of energy required to liberate the most loosely, bonded ele...

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  16. Atomic number of the elements X and Y are 13 and 16 respectively. ...

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  17. Complete the given statements by choosing the appropriate answer from ...

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  18. Electronic configuration of an atom of an element is 2, 8, 18, 7. a)...

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  19. The element A belongs to second period, 17th group and B belongs to se...

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  20. i) Which among the following is not characteristics of alkaline earth ...

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