Plutonium belongs to the class of elements called transuranic elements whose atomic number is higher than 92, the atomic number of uranium. Plutonium is the most economically important of the transuranic elements. Plutonium-239 readily undergoes fission, and it is used for nuclear weapons and for energy. The atomic number of plutonium is 94. Isotopes of
No one can really explore the earths interior. Scientist obtain information about the characteristics of the earth’s interior by studying earthquake records. Earthquake waves help scientists figure out the distances to each of the section of the earth’s interior. The Earth can be divided into three large sections: the mantle, inner core, and outer core.
As recorded in The Guinness Book of World Records, the speed of the fastest train is 143.1 m/s. This record is held by the Train a Grand Vitesse (TGV) Atlanique. The train achieved that speed while going from Courtlain to Tours, France on May 18, 1990. The basic purpose of the test program was to