humphjay000 humphjay000

07-02-2017
Physics

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which are the main regions of the periodic table?

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Beatrice14 Beatrice14

07-02-2017

halogens
noblegases
alkaline metals
transition metals

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AzidoAzide AzidoAzide

07-02-2017

Alkali metals, alkali earth metals, transition metals, halogens, and noble gases.

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