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Why are alkali metals not found in nature?

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Alkali metals include lithium, sodium, potassium, rubidium, cesium, and francium. These metals have only one electron in their valence shell, which they lose easily, owing to their low ionization energies. Therefore, alkali metals are highly reactive and are not found in nature in their elemental sta...
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Alkali metals include lithium, sodium, potassium, rubidium, cesium, and francium. These metals have only one electron in their valence shell, which they lose easily, owing to their low ionization energies. Therefore, alkali metals are highly reactive and are not found in nature in their elemental state.

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As they have only one electron in their outermost shell, they easily lose their valence electrons which makes them highly reactive. They react with gases in the atmosphere and form compounds, and that's the reason they don't exist in a free state in nature.
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They are not found in nature because alkali metal belongs to the first group of the periodic table, i.e. highly reactive. They react fast with other elements and hence are not found in nature.
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Alkali metals are found in nature but only in the combined form as they are unstable and they react fast with other elements.
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Find the oxidation state of sodium in Na2O2.
Let the oxidation state of Na be x. The oxidation state of oxygen, in case of peroxides, is –1. Therefore, Therefore, the oxidation sate of sodium is +1.
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Which of the alkali metal is having least melting point?

(a) Na (b) K (c) Rb (d) Cs

Atomic size increases as we move down the alkali group. As a result, the binding energies of their atoms in the crystal lattice decrease. Also, the strength of metallic bonds decreases on moving down a...
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