Hydrogen là một chất tinh khiết, có công thức hóa học là H2O. Điều nào sau đây mô tả đúng nhất về hydrogen? Group of answer choices Nó là một chất được tao ra từ 2 nguyên tử của một nguyên tó Nó là một nguyên tố được tạo thành từ hai hoặc nhiều loại nguyên tử. Nó là một hợp chất chỉ được tạo ra từ một loại nguyên tử. Nó là một hợp chất được tạo ra từ hai hoặc nhiều loại nguyên tử.

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