Elements of Life- Patterns

 

Read Chemical Storylines p7 - p9 then complete the following exercise

Your responses will be discussed in class and therefore it is important that you read and answer the questions carefully.
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1. How many of the 92 naturally occurring elements been discovered by 1850??
2. Give three physical properties that the scientists looked for when looking for similarities.
3. In which order did Mendeleev place the elements in 1869?
4. What was the major difference between Mendeleev's table and Newland's?
5. What did Mendeleev name the element that would eventually become germanium?
8. How are 'laboratory made' elements created?
7. Go to webelements and find out 3 properties of silicon.
8. Go to webelements and find out the same 3 properties of tin?
10. Now predict the properties of germanium but don't cheat by looking at webelements.
10. For what did Glen Seaborg win the Nobel prize?

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