Question

what would be the nature of oxides formed by element on the left handside of the periodic table?How many valence electrons do these elements have

Answer 1

Hey there,

Group 1 is the leftmost group of periodic table. Its elements are called alkali metals. They have 1 electrons in their valence shell and tends to loose the electron.Since they are metallic, they form basic oxides and hydroxides.

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Group 2 is the 2nd leftmost group of the periodic table. Its elements are called alkaline earth metals because they mainly are found in the earth's crust. They have 2 electrons in their valence shell and also forms basic oxides and hydroxides just like alkali metals.

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Answer 2

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• The nature of oxide in group 1 and 2 a left hand side in periodic table is basic and comprised of valence electron 1 and 2 respectively

• Any element in group 18 has eight valence electrons (except for helium, which has a total of just two electrons). Examples include neon (Ne), argon (Ar), and krypton (Kr). Oxygen, like all the other elements in group 16, has six valence electrons.