For example, the atomic number of sodium is 11. Every sodium atom has 11 protons and 11 electrons. It has 11 positive charges and 11 negative charges. The mass number of an atom is its total ...
This includes the most recently announced element of all, element 117 that was synthesised in April 2010. This podcast is about one of these elements, number 107 in the periodic table, called bohrium.
Livermorium was first synthesized back in 2000, and it's not the heaviest element humans have created (that would be oganesson, atomic number 118). So what's the big deal if a couple atoms of ...