来自郎永强的问题
【写化学式三种固态非金属单质1三种固态非金属单质2三种固态金属单质3三种金属氧化物4三种非金属氧化物5三种含氧化合物（非氧化物)谁能帮个忙】
写化学式三种固态非金属单质
1三种固态非金属单质
2三种固态金属单质
3三种金属氧化物
4三种非金属氧化物
5三种含氧化合物（非氧化物)
谁能帮个忙
1回答
2020-03-27 01:24
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韩忠明
Si,P,C
Fe,Cu,Mn
FeO,Fe2O3,CuO
CO,CO2,NO
H2SO4,NaOH,HNO3
2020-03-27 01:26:51
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