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BEYOND PUBLICATION-CLASSIFICATION OF ELEMENTS THE PERIODIC TABLE-EXERCISE
- Which defect of Mandeleeff's periodic table is automatically overcome ...
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- Which of the following indicates the correct order of variation in ato...
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- Choose the correct answer for the following matching :
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- Elements belonging to the same period have
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- The scientist who made maximum contribution towards periodic table was
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- Which of the following sets of atomic numbers corresponds to the atomi...
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- Atomic numbers of last elements of 'd' block and p block of incomplete...
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- The outermost shell of a representative element contains x electrons a...
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- Which of the following statements about the modern periodic table are ...
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- Choose the right properties of periodic table. (a) Atomic radius incr...
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- Which of the following species does have electrons equal to 18 ? (a) K...
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- Pick out the correct statements about chlorine atom. (a) Chlroine is ...
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- What are the elements that belonged to 18th (or) '0' group ? (a) Heliu...
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- Electronic configuration from ns^2 np^1 to np^2 np^6 are called
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- 1 pm = …………..
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- block elements are called as lanthanides and actinides in modern perio...
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- "The law states hat the physical and chemical properties of the ...
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- VI A group elements are called chalcogens. This is because
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- The general electronic configuration of d-block elements is
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- The size of anion is more than neutral atom. This is due to
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