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
Lutetium Symbol: Lu Atomic Number: 71 Atomic Mass: 174.967 amu (atomic mass units) Melting Point: 1663 C (1936 K, 3025 F) Boiling Point: 3402 C (3675 K, 6156 F) Number of Protons: 71 Number of Electrons: 71 Number of Neutrons: 104 Classification: Rare Earth...
By: Alison Bowler
Phosphorus Symbol: P Atomic Number: 15 Atomic Mass: 30.97376 amu (atomic mass units) Melting Point: 44.1 C (317.25 K, 111.38 F) Boiling Point: 280.0 C (553.15 K, 536.0 F) Number of Protons: 15 Number of Electrons: 15 Number...
By: Helium01
It is your junior or senior year in college, or perhaps you waited until after graduation to finish the pre-medical requirements. Either way, you are anxious and ready to apply, but you have a massive hurdle in front of you: the MCAT, or Medical College...
By: Alison Bowler
Einsteinium Symbol: Es Atomic Number: 99 Atomic Mass: 252.0 amu (atomic mass units) Melting Point: 860C (1133 K or 1580F) 860C Boiling Point: Unknown Number of Protons: 99 Number of Electrons: 99 Number of Neutrons: 153 Classification: Rare Earth Metal Group Name: Actinide or...
By: Alison Bowler
Aristotle believed there were only four elements that made up all matter on earth. These elements were earth, air, wind and fire. For thousands of years this was accepted as fact. In the seventeenth century scientists such as Robert Boyle started to question this theory...
An overview of the chemical element Hydrogen
By: Tarek Musslimani
Hydrogen atom is the simplest atom of all the elements in the periodic table. It is composed of a proton which is confined to the nucleus and an electron which circulates around the nucleus in circular motion. It is the third element in abundance on...
By: Alison Bowler
Hassium Symbol: Hs Atomic Number: 108 Atomic Mass: 277 amu (atomic mass units) Melting Point: Unknown Boiling Point: Unknown Number of Protons: 108 Number of Electrons: 108 Number of Neutrons: 169 Classification: Transition Metal (Man Made) Crystal Structure: Unknown Density @ 293K: Unknown Color: Unknown...
By: Alison Bowler
Zinc Symbol: Zn Atomic Number: 30 Atomic Mass: 65.39 amu (atomic mass units) Melting Point: 419.58 C (692.73 K, 787.24396 F) Boiling Point: 907.0 C (1180.15 K, 1664.6 F) Number of Protons: 30 Number of Electrons: 30 Number...
By: Alison Bowler
Seaborgium Symbol: Sg Atomic Number: 106 Atomic Mass: 271amu (atomic mass units) Melting Point: Unknown Boiling point: Unknown Number of Protons: 106 Number of Electrons: 106 Number of Neutrons: 165 Classification: Transition Metal (man-made) Crystal Structure: Unknown Density @ 293K: Unknown Color: Unknown In 1974...
How to make your own copper (II) acetate
By: Lime Red Tetrahedron
Copper (II) Acetate exists as beautiful blue-green coloured crystals in its solid form. Containing Copper in its 2+ oxidation state, crystals of Copper (II) Acetate have the ability to turn fire green! As well, it can be used to form copper plating solutions. Using household...

 

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