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Science > Chemistry > Elements, compounds & mixtures

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1. I need to know the following: The definition of an alloy and the names of 3 alloys. Can you help?

2. How do I tell the difference between tap water, distilled water and salt water?

3. In industrial fractional distillation what are the bubble caps for?

4. For homework I have to find out 5 metal elements, 5 non-metal elements, 5 different properties of metals. Also, what the word property means? Can you help?

5. What are the key features of the periodic tables produced by Newlands and Mendeleev and the differences between them?

6. What are the key features of the periodic tables produced by Newlands and Mendeleev and the differences between them?

7. What is a compound?

8. What is a compound?

9. I don't understand the difference between fractional and normal distillation? Also, how do they work? Thanks

10. I don't understand the difference between fractional and normal distillation? Also, how do they work? Thanks

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