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The modern periodic table is organized o...

The modern periodic table is organized on the basis of

A

atomic weight

B

electronic configuration

C

atomic mass unit

D

physical nature

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Which of the following statements about the modern periodic table are incorrect ? (a) The elements in Modern periodic table are arranged on the basis of their decreasing atomic number. (b) The elements in Modern periodic table are arranged on the basis of their increasing atomic masses. (c) Isotopes are placed in adjoining groups in the periodic table. (d) The elements in the modern periodic table are arranged on the basis of their increasing atomic number.

The long form of the periodic table is constructed on the basis of repeating electronic …………….. of the atoms when they are arranged in the order of increasing atomic numbers.

Write modern periodic law .

Define modern periodic law. How is the long form of the periodic table constructed on the basis of this law?

What are the limitations of Mendeleev’s periodic table ? How could the modern periodic table overcome the limitations of Mendeleev’s table?

Look at the group - I of the modern periodic table as given below . What is common between them ?

The atomic number concept forced the periodic law to be changed and finally modern periodic table was prepared. For this work _____is appreciable.

The basis of modern periodic law is

Modern periodic table was invented by ____

By analysing which patterns the modern periodic table is proposed ?

VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. Mendeleeffs eka - boron was named as after its discovery :

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  2. Atomic weight =

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  3. The modern periodic table is organized on the basis of

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  4. "The law states hat the physical and chemical properties of the ...

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  5. The elements with similar outer shell configuration are placed in a

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  6. Number of vertical columns in the modern periodic table are (As per IU...

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  7. Periods are based on the present in an atom.

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  8. 4f elements are called

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  9. of an element was defined as combining power of an element with respec...

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  10. The atomic size in a group from top to bottom

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  11. In which units ionizations energy can be expressed ?

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  12. The minimum energy required to remove an election from the outer most ...

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  13. The energy required to remove an electron from unipositive ion is call...

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  14. The energy liberated when an electron is added to a netural gaseous at...

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  15. According to Mulliken, electronegativity =

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  16. Electronegativity values... along a period from left to right.

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  17. The number of sub-groups in each group of Mendeleeff's periodic table ...

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  18. Mendeleeff tried to explain similarities of elements in the same group...

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  19. Eka silicon is now known as

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  20. Eka means

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