An element's atomic number defines it. An element with 17 protons will always be chlorine. However an element's mass numbers can vary, which means that it can have different numbers of neutrons. So ...

In this edition of 32 Thoughts, Kyle Bukauskas and Elliotte Friedman begin by unpacking Mason McTavish’s 6 year, 7 million dollar deal with the Anaheim Ducks. Friedge also learns about the six-seven ...