Part 1 of Essay
In this paper I will discuss the element called . I will explain how and when this element was discovered, its' physical characteristics, the natural environment of the element and the abundance in which it occurs. In addition, I will describe why is important to humans, and other interesting facts related to this elemen ....

Part 2 of Essay
.... but varying physical properties (The America Heritage Dictionary of the English Language, Third Edition, 1992). A radioisotope is a radioactive isotope (The America Heritage Dictionary of the English Language, Third Edition, 1992). A radioisotope is a naturally or artificially created isotope having an unstable nucleus that decays, letting off alpha, beta, gamma rays until stability is reached (The America Heritage Dictionary of the English Language, Third Edition, 1992). Radon's melting point is -71°C. The boi ....