An Australian man described as a "science nerd" may face jail time, after attempting to collect all the elements in the periodic table. The periodic table is an arrangement of all the known elements, ...
The periodic table of the elements, principally created by the Russian chemist, Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year. It would be hard to overstate its importance ...
Element collecting can start harmlessly enough. A rainbow-hued bismuth crystal catches your eye at a science museum one day, you buy a sample or two, and the next thing you know, you’re spending ...
Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...