Periodic Table of the Elements with Melting and Boiling Points
Legend
Metals
A solid substance that is a good conductor of heat and
electricity. Can be formed into many shapes.
Metalloid
"Middle elements" - conduct heat and electricity
better than nonmetals, but not as well as metals. Easier to
shape than nonmetals, but not as easy as metals. Solid at room
temperature.
Nonmetals
A poor conductor of heat and electricity. Not easily
formed into shapes.
Heavy and Super Heavy Elements
All heavy elements are produced artificially in cyclotron experiments.
Interesting points about the Periodic Table and the "man made" elements
Ninety-four elements exist in nature. Element 94 is Plutonium {Pu} . Scientists have spent 60
years creating elements in the lab, registering 21 man made elements so far. ( Element 43: Technetium and Element 61: Promethium are often considered man made, but ultra-low traces of both elements have been found in certain Pitchblende Ores, Pitchblende is a naturally occuring Uranium ore. )
Some of the more recent manufactured elements are so unstable that they
disintegrated in milliseconds. Since the sixties, scientists have theorized
that around element 114 an "island of stability" will exist. Around this island the half-life of element 114 should
be measured in years not milli-seconds. According to V. Rydnik in his book ABC OF QUANTUM MECHANICS, He is certain the last number in our list of building atoms is 120."This means that the nuclei (and the atoms as well, naturally) cannot, under any circumstances,
have more than about 120 protons."
If this is the case element 114 with a theorized stable configuration of 114 protons and 184 neutrons
will be the Final Element with any practical application to man.
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