Chemistry, 29.12.2020 02:50, maxgeacryne2199

Choose (E) Element (C)Compound (M) Mixture for the following1. Cannot be decomposed by chemical means2. Has a definite composition3. Pure substance composed of identical atoms4. Can be separated by physical means5. Can be separated by chemical means6. Magnesium7. water8. air9. salt water solution10. can be heterogeneous11. ammonia (NH3)12. composition may vary13a13b13c13d

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Choose (E) Element (C)Compound (M) Mixture for the following1. Cannot be decomposed by chemical mean...

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