Question

Describe four characteristics of S-block elements​

Answer 1

1. s block elements have spherical s orbital as

their outermost orbital.

2. Since s orbital can accommodate a maximum of 2 electrons, each one of these elements have 1 or two electrons.

3. These s electrons are lost very easily to form

monopositive ions by Isoing one electron in the

outermost orbital or dipositive ions by losing 2

electrons.

4. They have low ionisation potentials and low electronegativities.

5. They are good conductors of heat and electricity, excepting H2 and He.

6. They are silvery, shiny metallic substances, (with the exception of hydrogen and helium which gaseous nonmetals).

7. They are malleable and ductile, i.e., we can

make sheets and wires from them, (exception:

H2, He)

8. They readily form ionic salts with most nonmetals.

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