The U stands for Uranium which is a radioactive metal and the 238 stands for what number of isotope. It occurs naturally as U-238 with a very small amount of U-235, when U-235 is refined out it is called depleted uranium.
The same name with a different atomic mass number. As an example U235 and U238 are two isotopes of Uranium
Element number 92 is Uranium and there are two main isotopes - U235 and U238. In U235 there are 92 protons so there are 235 - 92 = 143 neutrons. In U238 there are thus 146 neutrons
Yes, U233, U235, and U238 are all used as nuclear fuels.
No, the half-life of each isotope can vary significantly. Different isotopes have different rates at which they decay into other elements. Some isotopes have half-lives of seconds, while others have half-lives of millions of years.
The atomic mass number of that isotope. So C14 has a molecular mass of 14 grams/mole U238, 238 grams/mole
Another name for shale is mudstone
Another name for extremophiles is Archaea.
Another name for an agouti is manicou!
Another name is satellite
Another name for xenon is Xe which is its chemical symbol.
halon is another name. they deplete ozone.
another name is mathematicsMathematics