The Periodic Table – Topics For Further Research
Topics For Further Research – The Periodic Table
The following questions will require you to conduct your own research. Choose any that interest you.
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Question 1 of 3
1. Question
(5 points)
Topic 1
Research the production of synthetic elements. Why is it so difficult to accomplish and what are some of the problems associated with observing the physical and chemical properties of these elements?
A sample of plutonium from Questacon, Canberra.
(Image: Maksym Kozlenko, Wikimedia Commons)
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Question 2 of 3
2. Question
(5 points)
Topic 2
Research some of the compounds that contain noble gases and describe how they are formed. Which noble gases are more likely to form compounds and which have not been found to form any compounds?
Xenon tetrafluoride was the first synthesised compound containing a noble gas, in 1962. Prior to this, all noble gases were thought to be inert (completely unreactive).
(Image: US Gov, Wikimedia Commons)
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Question 3 of 3
3. Question
(5 points)
Topic 3
Research an element that was predicted to exist – from its location in the periodic table – before it had been discovered. Describe the properties it was predicted to have and compare these with what were observed upon its discovery.
When Mendeleev first published his periodic table, there were gaps for elements that he believed to exist but which had not been discovered yet. He referred to the metal pictured as ‘Eka aluminum’, which meant it was located directly under aluminium.
(Image: US Gov, Wikimedia Commons)
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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