This is due to abnormal increase in the atomic size of potassium.
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Monday, April 13, 2020
Which alkali metal is most abundant in earth’s crust?
Sodium is the most abundant alkali metal in the earth's crust.
Topic:
1st Group: S-BLOCK ELEMENTS:
Write three general characteristics of the elements of s-block of the periodic table which distinguish them from the elements of the other blocks.
The three general characteristics are:
(1)The compounds of the s-block elements are mainly ionic.
(2)The valency is equal to the group number.
(3) Due to low ionization energy, s-block elements are good reducing agents.
Topic:
1st Group: S-BLOCK ELEMENTS:
The alkali metals have low densities. Explain. ?
The alkali metals have low densities due to their large atomic sizes. In fact, Li, Na and K are even lighter than water.
Topic:
1st Group: S-BLOCK ELEMENTS:
What is the most reactive alkali metal and why?
The most reactive alkali metal is cesium due to its lowest first ionization enthalpy and lowest electronegativity.
Topic:
1st Group: S-BLOCK ELEMENTS:
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