Question

what is diffrence between Alkaline metals and Alkaline earth metal... any 3 difference,.....​

Answer 1

Answer:

Alkali: The term Alkali is used to name the group 1 elements of the periodic table.

Alkaline: The term Alkaline earth metal is used to name group 2 elements of the periodic table.

Physical Properties

Alkali: Alkali metals are softer.

Alkaline: Alkaline earth metals are harder.

Valence Electrons

Alkali: Alkali elements have one valence electron.

Alkaline: Alkaline earth metals have two valence electrons.

Cations

Alkali: Alkali metals form +1cations.

Alkaline: Alkaline earth metals form +2 cations.

Ionization Energy

Alkali: Alkali metals have lower ionizing energy.

Alkaline: Alkaline earth metals have higher ionizing energy.

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Answer 2

Explanation:

The bases that can dissolve in water are alkalis, while those that do not dissolve in water are not alkali. That is, except for those that can dissolve in water, all foundations are not alkaline. We may also conclude that alkali is a fundamental hydroxide that dissolves in water, converting blue into red litmus.

There are low electron affinities and low electronegativity on alkaline earths. As with alkali metals, the properties depend on how simple it is to lose electrons. In the outer shell, the alkaline earth has two electrons. They have atomic radii that are smaller than alkali metals.

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