Among Li, Na, K, Rb, Cs, the element with lowest ionization energy is________

Among Li, Na, K, Rb, Cs, the element with lowest ionization energy is________
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Answer :

Ans. Cs has lowest ionization enthalpy.
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Related questions

The increasing order of reactivity among group 1 elements is Li<Na<K<Rb<Cs whereas among the group 17 elements, it is F>Cl>Br>I. Explain.

Description : The increasing order of reactivity among group 1 elements is Li

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Which one of the alkali metals, forms only, the normal oxide, M2O on heating in air (1) Na (2) Rb (3) K (4) Li

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Why is that on being heated in excess supply of air K,Rb and Cs forms superoxide’s instead of Oxides & peroxides?

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The element from the elements Li, Na, K, having the least number of electron shells is

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Ionization enthalpy of Li is 520 kJ mol^(-1) while that of F is 1681 kJ mol^(-1) . Explain.

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The reagent needed to convert 2-butyne to cis-2-butene is : (a) H2/Pt (b) H2/Lindlar’s catalyst (c) Li/NH3 (d) Na/NH3

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Why is the ionization energy of IA class elements lowest at any stage ?

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Arrange the following order of the property indicated: (a). F, Cl, Br and I (negative electron gain enthalpy) (b). Mg, Al, Si and Na (ionization enthalpy) (c). C, N, O and F (second ionization enthalpy)

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What is the element represented by the symbol Rb?

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What is the ionization energy of an element ?

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The element with highest first ionization energy is - (1) hydrogen (2) helium (3) lithium (4) sodium

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Why are Cs and K used as electrodes in photoelectric cells?

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Which among the following is not a characteristic of transition metals? (1) Tendency to gain electrons (2) Low electronegativity (3) Low ionization energy (4) Malleability

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Last Answer : Tendency to gain electrons

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Last Answer : B. Lignocaine binds more avidly to the inactivated Na+ chan

Select the smaller ion form each of the following pairs :  a. K^+, Li^+ b. N^(3-), F^-

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(a). Which is largest in size- Cu+ , Cu+2, Cu and why? (b). which element in the periodic table has the highest ionization enthalpy? (c). Which element is more metallic in the periodic table.?

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What element have the largest first ionization energy?

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Description : tag is an ………… element tag. -Technology

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