At Oak Ridge High School, an active FFA chapter teaches students leadership, public speaking and real-world skills that extend far beyond the farm.

Despite rare earth elements' importance in manufacturing cell phones, magnets and a host of other consumer and commercial ...

Cations are ions that are positively charged. Anions are ions that are negatively charged. Ions are charged atoms or molecules. If a balanced atom loses one or more electrons, it will become a ...

Almost half a century ago, a remarkable molecule called metallocene took center stage in chemistry, earning Geoffrey Wilkinson and Ernst Otto Fischer the Nobel Prize. These organic compounds, made of ...

The covalent radius (a measure of how large individual atoms are) shows different trends if you are moving across a period or down a group. A comparison of the relative covalent radii of atoms is ...

On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table. He ...

Earth's core contains nine to 45 times more hydrogen than the planet's oceans do, according to a new study that could settle a debate about when and how hydrogen was delivered to Earth.

This repository is an artistic project that turns the periodic table of elements into an interactive musical instrument. No description needed, just try it at https ...

The Periodic Table Silver Card by North View Products (NVP) is a remarkable piece of silver bullion that merges scientific fascination with investment value. Weighing 1 troy ounce and crafted from ...

Chlorine is more reactive than the iodine in potassium iodide solution: When a Group 7 element reacts, it gains one electron to form a negative ion with a stable electronic configuration – a full ...

Abstract: Periodic terahertz waves have been successfully generated using a photoconductive dipole-antenna array with a pitch of 0.16 mm in a rectangular metal waveguide at frequencies between 0.24THz ...