题目内容
用化学式填空:
(1)铁_________; (2)磷__________;
(3)氢气____________; (4)二氧化硫_________;
(5)氯化钠__________; (6)氢氧化钠_____________;
(7)碳酸钠____________; (8)硫酸钠____________;
(9)氧化钠_____________; (10) 硝酸铵_____________。
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题目内容
用化学式填空:
(1)铁_________; (2)磷__________;
(3)氢气____________; (4)二氧化硫_________;
(5)氯化钠__________; (6)氢氧化钠_____________;
(7)碳酸钠____________; (8)硫酸钠____________;
(9)氧化钠_____________; (10) 硝酸铵_____________。