Classfection the following elements and compound.
1. Helium gas
2. Mercuric oxide
3. Water
4. Table salt
5. Iodine
6. Oxygen
6. Nitrogen
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sorry I don't know♀️
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1.Element
2.Compound
3.Compound
4.Compound
5.Element
6.Element
7.Element
2.Compound
3.Compound
4.Compound
5.Element
6.Element
7.Element
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