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प्रश्न
Which one of the following is true about metallic character when we move from left to right in a period and top to bottom in a group?
पर्याय
Decreases in a period and increases along the group
Increases in a period and decreases in a group
Increases both in the period and the group
Decreases both in the period and in the group
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उत्तर
Decreases in a period and increases along the group
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संबंधित प्रश्न
Various successive ionisation enthalpies (in kJ mol-1) of an element are given below.
| IE1 | IE2 | IE3 | IE4 | IE5 |
| 577.5 | 1,810 | 2,750 | 11,580 | 14,820 |
The element is
In the third period the first ionization potential is of the order.
Assertion: Helium has the highest value of ionisation energy among all the elements known
Reason: Helium has the highest value of electron affinity among all the elements known
Is the definition given below for ionisation enthalpy is correct?
"Ionisation enthalpy is defined as the energy required to remove the most loosely bound electron from the valence shell of an atom"
How would you explain the fact that the second ionisation potential is always higher than the first ionisation potential?
In what period and group will an element with Z = 118 will be present?
Explain the Pauling method for the determination of ionic radius.
Why the first ionisation enthalpy of sodium is lower than that of magnesium while its second ionisation enthalpy is higher than that of magnesium?
By using Pauling's method calculate the ionic radii of K+ and Cl− ions in the potassium chloride crystal. Given that `"d"_("K"^+) - "Cl"^-` = 3.14 Å
Explain the following, give an appropriate reason.
Ionisation potential of N is greater than that of O
