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Monday, August 28, 2023

Lother Meyer's Curve:

(1) The graphs plotting the atomic volumes against atomic weights are known as Lothar Mayer volume

(2) The alkali metals have highest atomic volumes.

(3) Alkaline earth metals (Be, Mg Ca, Sr, Ba, etc.) which are relatively a little less electropositive. Occupy
positions on the descending part of the curve.

(3) Halogens and the noble gases (except helium) occupy positions on the ascending part of the curve.

(4) Transition elements have very small volumes and therefore these are present at the bottoms of the curve.
Example: Lother Meyer attempt was based on plotting atomic mass vs
(A) Atomic size 
(B) Atomic volume 
(C) Density 
(D) Melting point
Ans. (B)

Related Questions:

(1) What are the Amphoteric metals ? gives Examples.

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