Question #7d64f

1 Answer
Oct 6, 2016

See explanation.


Hyphen notation is simply a way we have of naming isotopes.

In order to use hyphen notation properly, you must

  • start with the name of the element
  • add a hyphen
  • add the mass number of the isotope

Let's take, for example, #""^14"C"#, one of the stable isotopes of carbon, #"C"#. The hyphen notation for this isotope would be


Here you have the name of the element written first, followed by the hyphen and by the mass number, which in this case is #14#.

Another example could be #""^238"U"#. Here you are dealing with an isotope of uranium, #"U"#, which has a mass number equal to #238#. This means that its hyphen notation will be


Check out this video for more examples