Salt slurries in petri dishes with methanol are ignited and characteristic colors for various metals are observed. Colors of emission spectra are due to loosely-bound valence electrons being excited ...

A popular chemistry lab demonstration that went awry and burned five students at a Fairfax County high school in October was performed without a ventilation hood, safety goggles or guidelines from the ...

A high school chemistry class fire that injured five Virginia students and a teacher last week during a popular chemistry demonstration has prompted a wave of safety alerts across the country, with ...

In this video, Fran Scott demonstrates how to test for various ions and interpret the results. Flame tests and chemical tests are used to detect and identify ions in samples. Instrumental methods of ...