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
Zirconium Symbol: Zr Atomic Number: 40 Atomic Mass: 91.224 amu (atomic mass units) Melting Point: 1852.0 C (2125.15 K, 3365.6 F) Boiling Point: 4377.0 C (4650.15 K, 7910.6 F) Number of Protons: 40 Number of Electrons: 40 Number...
By: Alison Bowler
Rhenium Symbol: Re Atomic Number: 75 Atomic Mass: 186.207 amu (atomic mass units) Melting Point: 3180.0°C (3453.15 K, 5756.0°F) Boiling Point: 5627.0°C (5900.15 K, 10160.6°F) Number of Protons: 75 Number of Electrons: 75 Number...
By: Alison Bowler
Indium Symbol: In Atomic Number: 49 Atomic Mass: 114.818 amu (atomic mass units) Melting Point: 156.61°C (429.76 K, 313.898°F) Boiling Point: 2000.0°C (2273.15 K, 3632.0°F) Number of Protons: 49 Number of Electrons: 49 Number...
By: Alison Bowler
Ununbium (now copernicium) Symbol: Uub (now Cp) Atomic Number: 112 Atomic Mass: 285 amu (atomic mass units) Melting Point: Unknown Boiling Point: Unknown Number of Protons: 112 Number of Electrons: 112 Number of Neutrons: 165 Classification: Metal (Man Made) Crystal Structure: Unknown Density @ 293...
Why we have the periodic table
By: Robert Spillman
The Periodic table is to chemistry what the Bible and Koran are to religion and the Constitution to America. Its existence is a testament to the beauty of thought and inquiry, for in one document there is both tremendous information and inspiration to those who...
By: Alison Bowler
Xenon Symbol: Xe Atomic Number: 54 Atomic Mass: 131.29 amu (atomic mass units) Melting Point: minus 111.9 C (161.25 K, minus 169.42 F) Boiling Point: minus 108.1 C (165.05 K, minus 162.58 F) Number of Protons: 54 Number...
By: Alison Bowler
Germanium Symbol: Ge Atomic Number: 32 Atomic Mass: 72.61 amu (atomic mass units) Melting Point: 937.4°C (1210.55 K, 1719.3201°F) Boiling Point: 2830.0°C (3103.15 K, 5126.0°F) Number of Protons: 32 Number of Electrons: 32 Number...
By: Alison Bowler
Ununoctium Symbol: Uuo Atomic Number: 118 Atomic Mass: presumptive 294 amu (atomic mass units) Melting Point: Unknown Boiling Point: Unknown Number of Protons: 118 Number of Electrons: 118 Number of Neutrons: 176 Classification: Noble Gas Crystal Structure: Unknown Density @ 293 K: Unknown Color: Unknown...
By: Alison Bowler
Boron Symbol: B Atomic Number: 5 Atomic Mass: 10.811 amu (atomic mass units) Melting Point: 2300.0 C (2573.15 K, 4172.0 F) Boiling Point: 2550.0 C (2823.15 K, 4622.0 F) Number of Protons: 5 Number of Electrons: 5 Number...
By: R K vanderHoek
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth. -Niels Bohr - 1885 - 1962 FUNDAMENTAL MECHANICS In the early 1970's, Quark Theory was relatively well established and generally accepted, but...

 

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