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Science > Chemistry > Elements, compounds & mixtures

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1. Crude oil consists of a large number of different compounds. Most of these compounds are alkanes. 1. Explain how fractional distillation seperates crude oil. 2. What are alkanes?

2. What is the deal with different letters for the elements; such as iron is Fe?

3. What is the deal with different letters for the elements; such as iron is Fe?

4. What would you expect to see if some warm iron wool was placed in a jar of fluorine? Please help im stuck!!!

5. What would you expect to see if some warm iron wool was placed in a jar of fluorine? Please help im stuck!!!

6. ARRANGE THESE 3 METALS INTO ORDER OF ABILITY TO CONDUCT ELECTRICITY: SODIUM MAGNESIUM & ALUMINIUM...

7. I need to learn a bit of the Periodic Table but I'm finding it really hard to remember the symbols, ...

8. I need to learn a bit of the Periodic Table but I'm finding it really hard to remember the symbols, ...

9. I need 2 properties of metals that make them useful for overhead power cables and why is aluminium u...

10. How would I evaporate the water to leave the copper sulphate cyrstals?

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