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Metallic nature increases moving down th...

Metallic nature increases moving down the group because:

A

nuclear charge decrease

B

shielding increases

C

(a) and (b) both

D

none of these

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The correct Answer is:
B
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Assertion :- Metallic character increases on going down the group Reason :- I.E. decreases on going down the group

Assertion: Metallic character of first group metals of Mordern periodic table increase on moving down the group. Reason: On moving top to bottom in first group in Modern periodic table, value of ionisation enthalpy continuously decreases.

The atomic radius increases as we move down a group because

(a) Electropositive nature of the element(s) increases down the group and decreases across the period. (b) Electronegativity of the element decreases down the group and increases across the period. (c) Atomic size increases down the group and decreases across a period (left to right). (d) Metallic character increases down the group and decreases across a period. On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9. Name the element which shows maximum valency.

(a) Electropositive nature of the element(s) increases down the group and decreases across the period. (b) Electronegativity of the element decreases down the group and increases across the period. (c) Atomic size increases down the group and decreases across a period (left to right). (d) Metallic character increases down the group and decreases across a period. On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9. Name the most electropositive element among them.

(a) Electropositive nature of the element(s) increases down the group and decreases across the period. (b) Electronegativity of the element decreases down the group and increases across the period. (c) Atomic size increases down the group and decreases across a period (left to right). (d) Metallic character increases down the group and decreases across a period. On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9. Name the most electronegative element.

GRB PUBLICATION-PERIODIC TABLE-C.Ionisation Energy
  1. Which of the following ion of an element E (E belongs to 2nd period) h...

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  2. Higher values of ionisation energies of the 5d-transition elements are...

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  3. Metallic nature increases moving down the group because:

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  4. Select the correct statement.

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  5. Which of the following sequence regarding the first ionisation potenti...

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  6. The ionisation energy for 'Sc', 'Y' and 'La' are x,y and z kcal/mol re...

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  7. Select proper graph of 13th group ionization energy us. Its elements.

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  8. Second ionisation potential of Li,Be,B is in the order:

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  9. Select correct graph, which is plotted between ionisation energy of 2n...

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  10. For metal M, first ionisation energy is equal to 38 kcal/mole. Which o...

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  11. The ionisation enthalpy of lithium is much lower than that of helium d...

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  12. The first ionisation enthalpy (Delta(i)H^(o-)) values of the third per...

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  13. Correct order of IE(1) are: (P) Li lt B lt Be lt C (Q) O lt N lt F ...

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  14. If {:(X(g)^(-) rarr X(g)^(2) +3e^(-),DeltaH(1)= 900 kJ),(X(g) rarr X(g...

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  15. The correct order of the second ionisation potential of carbon, nitrog...

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  16. Sodium forms Na^(+) ion but it does not form Na^(+2) because -

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  17. One method for calculating Z(eff) is to use the equation: Z(eff) = s...

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  18. Atomic nitrogen has a higher ionization energy than atomic oxygen. Thi...

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  19. Which elemenet has the smallest first-ionization energy?

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  20. Which set is expected to show the smallest difference in IE(1) ?

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