من اكتشف الأوكسجين؟

16 يناير 2013

من اكتشف الأوكسجين؟

اكتشف الأوكسجين شخصان في مكانين مختلفين ولم يكونا يعلما باكتشاف الأخر ، الأول هو السويدي كارل فيليلم شيل والثاني هو البريطاني جوزيف بريستلي.

اختراعات واكتشافات

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