Yearly Archives: 2019



If you live in a place that gets winter, you know (or may be) a person who steps outdoors, sniffs the airs, and declares it “smells like snow.” Others might not be keen on weather prediction, but swear the fluffy, white flakes have a distinctive aroma. Can you tell when […]

Can You Smell Snow?










Periodic Table of Radioactive Elements
Technetium is a radioactive element, with no stable isotopes. With an atomic number of 43, it is the lightest unstable element. All of the elements surrounding it on the periodic table have at least one stable isotope. What is it about technetium that makes it special? The short answer is […]

Why Is Technetium Radioactive?