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How does the metallic character change a...

How does the metallic character change along the period?

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As we go from left to right in a period, the metallic character decreases, because of the addition of an electron in the same energy shell each time. So, attraction between the nucleus and the electrons in the outermost shell increases. Thus, tendency to lose an electron decreases and metallic character decreases.
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VK GLOBAL PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -SHORT ANSWER QUESTIONS-I
  1. State Periodic Law on which the Modern Periodic Table is based.

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  2. What do you understand by the term periodicity? Does the periodicity i...

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  3. What does each group in the Periodic Table signify?

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  4. Why do elements in any given group have similar properties?

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  5. Why do group 1 elements form unipositive ions?

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  6. Why are the elements of group 18 called zero valent?

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  7. Why group 17 elements form uninegative anions?

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  8. Would you place the two isotopes of chlorine, Cl-35 and Cl-37 in diffe...

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  9. How does the metallic character change along the period?

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  10. What is atomic radius? Why does atomic radius decrease across a period...

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  11. Why does the size of the atom increase down the group?

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  12. Can the following groups of elements be classified as Dobereiner's tri...

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  13. Write the formulae of chlorides of Eka-Silicon and Eka-aluminium, the ...

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  14. If an element X is placed in group 14, what will be the formula and th...

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  15. Arrangement the following elements in increasing order of their atomic...

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  16. Identify and name the metal out of the following elements whose electr...

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  17. Arrange the following elements in the increasing order of their metall...

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  18. Which group of elements could be placed in mendeleev's periodic table ...

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  19. (i) Why do we classify elements? (ii) In Mendeleev's Periodic Tabl...

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  20. Explain why sodium is more reactive than lithium.

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