Periodic Classification Of Elements - Study Mode

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[#166] Which element has the highest melting point and boiling point?

(A) cesium

(B) lithium

(C) gold

(D) tungsten

Correct Answer

(D) tungsten

[#167] Which among the following has similar ionic charge to size ratio?

(A) Li-Mg

(B) B-Be

(C) B-N

(D) Na-Mg

Correct Answer

(A) Li-Mg

[#168] Which of the following inert gas is kept in period 4 of the periodic table?

(A) Rn

(B) Xe

(C) Ar

(D) Kr

Correct Answer

(D) Kr

[#169] Out of the four blocks in which periodic table is divided, helium belongs which block?

(A) s-block

(B) p-block

(C) d-block

(D) f-block

Correct Answer

(B) p-block

[#170] Which among the following has lowest electron affinity?

(A) Fluorine

(B) Chlorine

(C) Bromine

(D) Argon

Correct Answer

(D) Argon