write two similarties and two dissimilarties of hydrogen with alkali metals
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Explanation:1) Like alkali metals hydrogen has one electron in its valency shell. 2) Valance shell electronic configurations of hydrogen and alkali metal are same.
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similarity
Like alkali metals hydrogen has one electron in its valency shell. ...
Valance shell electronic configurations of hydrogen and alkali metal are same. ...
Both hydrogen an alkali metals are good reducing agents.
Like alkali metals hydrogen can also form halides
dissimilarity
The principal similarity between hydrogen and the halogens is in electron configuration. Hydrogen has one electron in its electron shell, needing one additional electron to fill that shell. ... Hydrogen, however, also forms a positive ion by losing its one electron; no halogen does this.
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