Properties of your chosen element
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you are going to investigate an element of your choice. Once you have chosen and researched your element, you will create a presentation using powerpoint or Word document . Your presentation should include the following information:
• the element's name and the origin of its name
• the element's symbol, atomic number, and atomic mass
• the group/section where the element is found on the periodic table
• the element's electron configuration and number of valence electrons.
• At least eight other researched physical and chemical properties of the element should be mentioned. These properties may include but are not limited to:
o color
o texture
o ability to conduct electricity
o density
o state at room temperature
o common compounds it forms
o luster
o malleability
o ductility
o boiling point
o melting point
o potential hazards of the elements and/or its compounds
• when the element was discovered and/or created, if this information is known
• common historical and/or modern uses for this element
• citations of the resources (web sites, books, encyclopedias, etc.) that you used for your research
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PPT 3.02
you are going to investigate an element of your choice. Once you have chosen and researched your element, you will create a presentation using powerpoint or Word document . Your presentation should include the following information:
• the element's name and the origin of its name
• the element's symbol, atomic number, and atomic mass
• the group/section where the element is found on the periodic table
• the element's electron configuration and number of valence electrons.
• At least eight other researched physical and chemical properties of the element should be ...
Education
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- MSc,
- PhD,
Recent Feedback
- "Thankyou for the feedback. I have a few question though; With the first statistic about cost below... “According to Sigma-Aldrich catalog, cost of 1L octane is AUD $ 392.00, whereas the cost of 1L ethanol is AUD $196.00. Moreover, if ethanol is obtained from sugar industry as a by-product, it may cost even less. Source of oxygen is ambient atmosphere, so it costs nothing. So ethanol is much cheaper than petrol, in fact it is half-priced: AUD $ (392-196) = $ 196.” I didn't think it made sense because the cost of petrol per litre is normally a dollar something or even less than a dollar not a couple of hundred of dollars. For example, a statistic that I found in america was: "U.S. ethanol production costs are about $1.20 per gallon of ethanol, or $1.82 per gallon on a gasoline-equivalent basis." However, I was wondering whether you could find an Australian statistic. Also, you mentioned that H20 is not a greenhouse gas. However, in the combustion equations it is actually carbon dioxide and water vapour which are produced and they are both greenhouse gases. Finally, how do I calculate the energy efficiency of ethanol and petrol? "
- "Thank you!"
- "Didnt really answer my questions but gave me a start at least."
- "Once again this is tremendous help I can't thank you enough for not only working the problem but explaining in detail how and why!! KR"
- "Awesome thank you so much for the help!!!"
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