When a package from Amazon arrived at her Clark County home in November 2020, Michelle Vasquez-Stickley assumed it was art ...

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 ...

Russia's state nuclear corporation Rosatom says it has created a technology for processing liquid radioactive sodium coolant ...