Chemistry

Every moment of every day, chemistry plays a part in all we experience. This branch of the Helium network humbly attempts to illuminate the vast array of chemical knowledge, making it accessible to all. Let our site inform, inspire, and awe you with chemical wonders.
By: Alison Bowler
Neptunium Symbol: Np Atomic Number: 93 Atomic Mass: 237 amu (atomic mass units) Melting Point: 640.0 C (913.15 K, 1184.0 F) Boiling Point: 3902.0 C (4175.15 K, 7055.6 F) Number of Protons: 93 Number of Electrons: 93 Number of...
By: Alison Bowler
Meitnerium Symbol: Mt Atomic Number: 109 Atomic Mass: 266.0 amu atomic mass units Melting Point: Unknown Boiling Point: Unknown Number of Protons: 109 Number of Electrons: 109 Number of Neutrons: 157 Classification: Transition Metal Man made Crystal Structure: Unknown Density @ 293 K: Unknown...
By: Alison Bowler
Ununquadium Symbol: Uuq Atomic Number: 114 Atomic Mass: 289 amu (atomic mass units) Melting Point: Unknown Boiling Point: Unknown Number of Protons: 114 Number of Electrons: 114 Number of Neutrons: 175 Classification: Metallic Man made Crystal Structure: Unknown Density @ 293 K: Unknown Color: Unknown...
By: Alison Bowler
Ununpentium Symbol: Uup Atomic Number: 115 Atomic Mass: 288 amu (atomic mass units) Melting Point: Unknown Boiling Point: Unknown Number of Protons: 115 Number of Electrons: 115 Number of Neutrons: 173 Classification: Metallic Man made Crystal Structure: Unknown Density @ 293 K: Unknown Color: Unknown...
By: Alison Bowler
Uranium Symbol: U Atomic Number: 92 Atomic Mass: 238.0289 amu (atomic mass units) Melting Point: 1132.0 C (1405.15 K, 2069.6 F) Boiling Point: 3818.0 C (4091.15 K, 6904.4 F) Number of Protons: 92 Number of Electrons: 92 Number...
How to grow crystal spikes in the sun
By: Abby Way
Growing crystal spikes is fast and easy. All you need are a few basic supplies that you probably already have. It makes a great project for a warm, dry spring or summer afternoon.The humidity should not be too high, since this relies on the...
By: Danelle Karth
Sugar crystals are fun to grow and fun to eat. They can be used as a science experiment or even a fun activity to do with your kids. It is recommended that you do it with young children since there is boiling water involved. However...
How to grow Epsom salt crystals
By: Abby Way
Epsom salts are probably in your bathroom cabinet, but don't let them languish there. Why not use them to make a pretty centerpiece for your dining room table or living room, and have fun doing it at the same time? You can grow your own...
How to make sugar crystals
By: Abby Way
Kids love sugar, as every former or current parent knows. They'd consume pounds at a time if they could, and anything with sugar is almost guaranteed to be a hit. So what could be cooler for a kid to watch than these beloved sugar crystals...
The water bridge and the properties of water
By: John Hewitt - 510028
Two atoms of hydrogen with one atom of oxygen. This all sounds so simple, yet the actual nature of water is still a mystery to scientists. Over the last few years there has been much experimentation with the effects of an electrical field on water...

 

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