nuclear+symbols

An nuclear symbol is more than just the element abbreviation. It should contain the mass and atomic number for that element. Also, an nuclear symbol represents one specific atom of that element (called a nuclide or isotope).

Here's the layout of a nuclear symbol:



Where:
 * A = atomic mass (mass of the nucleus, which is the mass of all the protons plus all the neutrons)
 * c = ionic charge (not shown means it is neutral - not an ion)
 * X = element abbreviation
 * Z = atomic number (the number of protons the element has - its identifying feature)
 * n = number of atoms (no number means just one)

Here's an example, using helium:



Here's a simple online quiz.

Here is the class worksheet on nuclear symbols: