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An element has atomic number 19. ...

An element has atomic number 19. where would you expect this element in the periodic table and Why ?

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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. On the basis of atomic numbers predict to which block the ele...

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  2. Using the periodic table , predict the formula of compound form...

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  3. An element has atomic number 19. where would you expect thi...

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  4. How do the positions of elements in the periodic table help you...

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  5. In period 2 element X is to the right of element Y . Then , ...

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  6. In period 2 element X is to the right of element Y . Then , ...

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  7. In period 2 element X is to the right of element Y . Then , ...

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  8. In period 2 element X is to the right of element Y . Then , ...

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  9. In period 2 element X is to the right of element Y . Then , ...

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  10. Number of elements present in period - 2 of the long form per...

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  11. Nitrogen (Z=7) is the element of group V of the periodic table. Which...

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  12. Electonic configuration of an atom is 2,8,7, . To which of the ...

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  13. Which of the following is the most active metal ?

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  14. Aluminium does not react with water at room temperature but r...

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  15. How can you explain Aluminium (Al) is a metalloid with chemical equati...

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  16. What relation about elements did dobereiner want to establish ?

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  17. The densities of calcium (ca ) and barium (Ba ) are 1.55 and 3.5...

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  18. All akali metals are solids but hydrogen is a gas with diatomic...

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  19. IF lanthanides and actinides are inserted within the table . Im...

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  20. Do you know why Newlands proposed the law of octaves ? Explain...

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