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Chemistry, 24.12.2019 00:31 Abdimshsiwnsbs9686
Why are the alkali metals and the halogens very reactive
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Chemistry, 23.06.2019 11:30
If this sedimentary rock layer is truly the oldest one of marine origin, what do you think that tells usabout the formation of earth's oceans?
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Why are the alkali metals and the halogens very reactive...
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