Get the definition of STP in chemistry and learn the values of standard temperature and pressure and when you use them.| Science Notes and Projects
Get interesting oxygen facts. Discover chemical and physical data and general information and history of the element with atomic number 8.| Science Notes and Projects
Get nitrogen facts. Discover the history, chemical and physical properties, and uses of the element with atomic number 7 and symbol N.| Science Notes and Projects
Fluorine is the ninth element of the periodic table. These fluorine facts contain chemical and physical data along with general information and history.| Science Notes and Projects
Chlorine is the 17th element of the periodic table. These chlorine facts contain chemical and physical data along with general information and history.| Science Notes and Projects
Learn what temperature room temperature is in Celsius and Fahrenheit. See how room temperature differs at home versus the lab.| Science Notes and Projects
Find the perfect free printable periodic table for any need. Download printable periodic tables as PNG or PDF. Many styles are available.| Science Notes and Projects
Hydrogen is the first element of the periodic table. These hydrogen facts include general info, history, and chemical and physical data.| Science Notes and Projects