氧气
A scientist interested in adding to our general knowledge about oxygen would probably call his approach _____.
A scientist interested in adding to our general knowledge about oxygen would probably call his approach \_\_\_\__.
若A是淡黄色化合物;常温下D是无色气体;C中含有的阴阳离子均为10电子粒子.试写出: ①D的结构式____; ②C中所含化学键的类型是____; ③A→B变化的化学方程式____; ④C→B变化的化学方程式____.
若A是淡黄色化合物;常温下D是无色气体;C中含有的阴阳离子均为10电子粒子.试写出: ①D的结构式\_\_\_\_; ②C中所含化学键的类型是\_\_\_\_; ③A→B变化的化学方程式\_\_\_\_; ④C→B变化的化学方程式\_\_\_\_.
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