Alternative Periodic Table Project

Worksheet alternative periodic table project 20 Product Prioritization Techniques: A Map And Guided Tour Alternative Periodic Table Project‚
20 Product Prioritization Techniques: A Map And Guided Tour - Alternative Periodic Table Project
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Need help with a science project on the periodic table?
i just need to know how the element Palladium is used..i googled "how palladium is used?" three times and nothing was really helpful..if you could answer this it would be greatly appreciated. thanks! nm i found my original question but now i need to know the number of valence electrons in palladium.Interesting/Cool way to make a periodic table?
For a project, I need to create a period table. It can not be bigger than my desk and I want to do something different and fun so it's easier for me. Let me have some good answers! I don't want to make something boring like a poster, so DON'T say that please! Thank you for your time :)I need some everyday examples of scandium, titanium, vanadium and chromium?
I'm doing a project about the periodic table. I have to have a small sample for each element on the periodic table (no picture is allowed except for radioactive elements). It's very hard to find everyday examples because most of the things I found are things I don't have!What would happen if mercury disappeared?
What would be some interesting things that would happen for us if mercury were to just completely disappear? I know we would still be okay and it wouldn't be very drastic, but we would have to change a bit. I already know we would have to change thermometers but we started using alcohol so that wouldn't be a problem, but what else do we use it for? Not the planet.Some Experiments that Shook the World?
January/Febraury 2010 GALILEAN ELECTRODYNAMICS 13 Some Experiments that Shook the World Sankar Hajra Calcutta Philosophical Forum, Salt Lake, AC -54, Sector-1, Calcutta - 700 064, INDIA e-mail [email protected] It is generally believed by the physicists that various experiments/demonstrations/applications – experiments of Hahn-Strassmann, Walton-Cockroft, Fermi’s Chicago Experiment, the explosion of the Little Boy and the Fat Man, the commercial reaction of nuclear fuel - prove i) conversion of gravitational mass into energy, and ii) usability of Uranium and other radioactive elements as proper fuels. We argue that these assertions have not been proved in any of those experiments/demonstarations/applications. Introduction To know whether a fuel is proper fuel or not is to determine whether the fuel gives off greater amount of energy when it is used than the energy involved in making the fuel from raw natural materials. A huge amount of energy is obtained when Hydrogen or thermite (a mixture of powdered Aluminium and oxide of iron) is burned. But energy obtained from combustion of those fuels is not greater than the energy spent to make them from natural resources. Therefore, Hydrogen and thermite cannot be treated as proper fuels. Electricity could be readily generated from combustion of those fuels, but, electricity made from those fuels must be more expensive than electricity made from coal or petroleum. According to Einstein’s E = mc2 formula, 1 Kg of any material (preferably Uranium) will give 9 􀀁 10 16 joules, or 2 􀀁 10 16 calories, of heat energy through complete nuclear reaction. [ E = mc 2 = 1 􀀁 (3 􀀁 108)2 joules = 20 􀀁 1012kilocals = 20 trillion kilocals . ] If that would be true, then powerful states around the world would not compete for oil in the deserts of Arabia. If one ton of Uranium of someton ‘Little Boy’ bomb could take part in the so-called nuclear reaction, then some million of square miles of the world would burn, instead of only 1.7 square miles of Hiroshima. It not at all possible to give supply of electricity to the people from so-called nuclear fuels at a cost lower than fossil-fuel electricity for the reasons stated above. However, it is possible to give ontological lectures on nuclear fission/fusion or to earn immense money from so-called nuclear projects. The Hahn-Strassmann Experiment In 1938, Curie and Savitch exposed Uranium to moving neutrons and found that exposed Uranium had then the half-life period of 3.5 hours. They thought that some Uranium atoms had been converted to Thorium isotopes (which were two places below Uranium in the Periodic Table) by this method. Strassmann tried to separate Thorium from that irradiated Uranium using Iron as carrier, and being unable to do so, maintained that there was no Thorium in 3.5-hour substance. Curie and Savitch carried out further tests which showed that 3.5 hour substance could be precipitated out of the solution with Lanthanum as carrier. Lanthanum is a rare earth element, and its atoms were believed to be the half of the size of the atom of Uranium So, he hesitantly concluded that 3 5-hour substance might be Actinium- a transuranic element of the same chemical group as that of Lanthanum, but of much higher atomic weight than Lanthanum. [1,2]. Hahn and Strassmann believed that 3.5-hour substance was either Barium or Radium [3]. They made a solution of 3.5-hour substance and mixed barium chloride with it. They were unable to separate radium from mixture by fractional crystallization. Moreover, they found that radioactivity was uniform amongst the various Barium fractions at every stage of crystallizations. So, they concluded that 3.5-hour substance was not Radium, and no other element but Barium [4,5,6]. The conclusion of Hahn and Strassmann could clearly be disputed from many angles. In their micro analysis, they had used very Curie techniques. These techniques are interesting, beautiful, and elegant. But were these techniques dependable to the extent needed to demonstrate a few hundred atoms of an element in some grams of another element, especially when Curie and Savitch had been hesitant over the method to the extent whether the element was Lanthanum or Actinium? To prove Barium in irradiated Uranium, Hahn and Strassmann should have irradiated a good amount of Uranium for a long time and isolated some Barium from it, just like Madam Curie had isolated some amount of Radium from pitch blende. But no one disputed over the techniques adopted or the conclusion drawn by Hahn and Strassmann, since the conclusion was in tune with the dream world of the then physicists. The then physicists did not question either the doubtful techniques, or over the reasoning of Hahn-Strassmann. On the contrary, they began to confirm the conclusion, even extend the conclusion, and began to report incessantly and quite enthusiastically the creation of any se.

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Published on December 09th, 2018 | Under Worksheet | By Dustin S. Taylor