Question

Which metal from the following alkali metals has the lowest melting point?
(A) Na
(B) K
(C) Rb
(D) Cs

Answer 1

The melting point is a temperature at which it changes its state from solid to liquid.

Cesium a chemical element with Chemical symbol Cs has a melting point 25.5ﹾ which is less than the other alkali metals.

The melting points of Sodium (Na), Potassium (K), Rubidium (Rb) are 97.79 ﹾ, 63.5 ﹾ, 39.48 ﹾ respectively.

Answer 2

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☸ Required Answer is ⬇⬇ ⬇⬇ ⬇



⭕ D). Cs



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