Chemistry, 25.09.2021 14:00 Sushmitarai9416

Một hợp chất có phân tử gồm 1 nguyên tử nguyên tố X liên kết với 2 nguyên tử O và nặng hơn phân tử hiđro 23 lần. Tính nguyên tử khối của X, cho biết tên và kí hiệu hóa học của nguyên tố

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Một hợp chất có phân tử gồm 1 nguyên tử nguyên tố X liên kết với 2 nguyên tử O và nặng hơn phân tử h...

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