Estimate the meltingpoint of francium. Estimate the density offrancium. Estimate

Question

Estimate the meltingpoint of francium. Estimate the density offrancium. Estimate the and atomic(metallic) radius of francium.
I understand thatyou are supposed to use adjacent elements on the table to estimatethe values, but Francium is on the edge of the table, what todo? Estimate the meltingpoint of francium. Estimate the density offrancium. Estimate the and atomic(metallic) radius of francium.
I understand thatyou are supposed to use adjacent elements on the table to estimatethe values, but Francium is on the edge of the table, what todo? Estimate the density offrancium. Estimate the and atomic(metallic) radius of francium.
I understand thatyou are supposed to use adjacent elements on the table to estimatethe values, but Francium is on the edge of the table, what todo? Estimate the and atomic(metallic) radius of francium.
I understand thatyou are supposed to use adjacent elements on the table to estimatethe values, but Francium is on the edge of the table, what todo?

Explanation / Answer

We Know that :      The Atomic number of the Fr is 87which is having the electronic configuration of [Rn]7s1       Francium is a Radioactiveelement which has the melting point of 270C         density of theFrancium = 1.87 g / cc being heavier in the atomicweight of the element         The Atomic radiusof Fr is 270 pm the large atomic radius is due toalkali metal and the presence of large number of shells andsmaller nuclear charge on the metal.

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