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biological function
biological function. At the moment, the biological role is not clear.

Слайд 21 из презентации «Periodic table of elements» к урокам английского языка на тему «Тексты на английском»

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«Periodic table of elements» - 3Ni + N2 = Ni3N2. It takes part in enzymatic reactions in animals and plants. 2Co + 8CO = Co2(CO)8. The human need for cobalt 0,007-0,015 mg daily. 2Co + O2 = 2CoO. Density (at n. Y.) = 8.902 g / cm ? Melting point = 1726 K. 2Ni + B = Ni2B. chemical properties. 2Ni + O2 = 2NiO. At the moment, the biological role is not clear.

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Слайд 21: biological function | Презентация: Periodic table of elements.pptx | Тема: Тексты на английском | Урок: Английский язык