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
Yttrium Symbol: Y Atomic Number: 39 Atomic Mass: 88.90585 amu (atomic mass units) Melting Point: 1523.0°C (1796.15 K, 2773.4°F) Boiling Point: 3337.0°C (3610.15 K, 6038.6°F) Number of Protons: 39 Number of Electrons: 39 Number...
By: M E Skeel
I teach high school science and over the years have come up with a number of favorite experiments. Seventh graders love high school labs. We have bunsen burners at every desk and if I let them, we would be lighting those every lesson. We start...
A look at where Beryllium is found
By: Diane Todd
The fourth element on the periodic table, beryllium, with a chemical symbol of Be andatomic weight of 9.01218 g/mole, is a naturally occurring substance. It is found in natureas a solid with a density of 1.85 g/ml. Naturally, it occurs in the mineral...
An overview about the chemical element Titanium
By: Eric Leatherwood - 418318
Titanium's atomic number is 22, and its symbol is Ti. The atomic weight and atomic radius are 47.90 and 144.8 pm respectively. It's melting point is 1668 C and it Boiling point is 3287 C. Titanium's oxidation states are 4,3,2. Titanium's...
By: Alison Bowler
Neon Symbol: Ne Atomic Number: 10 Atomic Mass: 20.1797 amu (atomic mass units) Melting Point: minus 248.6 C (24.549994 K, minus 415.48 F) Boiling Point: minus 246.1 C (27.049994 K, minus 410.98 F) Number of Protons: 10 Number...
By: Alison Bowler
Argon Symbol: Ar Atomic Number: 18 Atomic Mass: 39.984 amu (atomic mass units) Melting Point: minus 189.35°C (83.80K, minus 308.83°F) Boiling Point: minus 185.85°C (87.30K, minus 302.23°F) Number of Protons: 18 Number of Electrons:...
Identifying the basic types of chemical reactions
By: Abby Deweese
There are 117 elements, these can combine to create thousands of compounds and yield chemical reactions, lots of them. Lucky for the sake of our brains, there are only six main chemical reactions that are essential. The following chemical reactions are the ones that you...
An overview about the chemical element Neon
By: Abby Deweese
Abundant across the Vegas Strip in flashing signs and also in glow sticks won at Chucky Cheese by the thousands, neon is actually relatively rare on Earth. If you looked across Las Vegas Boulevard, the main stay of the strip, the overwhelming effect of the...
By: Alison Bowler
Thorium Symbol: Th Atomic Number: 90 Atomic Mass: 232.0381 amu (atomic mass units) Melting Point: 1750.0 C (2023.15 K, 3182.0 F) Boiling Point: 4790.0 C (5063.15 K, 8654.0 F) Number of Protons: 90 Number of Electrons: 90 Number...
By: Alison Bowler
Rhodium Symbol: Rh Atomic Number: 45 Atomic Mass: 102.9055 amu (atomic mass units) Melting Point: 1966.0 C (2239.15 K, 3570.8 F) Boiling Point: 3727.0 C (4000.15 K, 6740.6 F) Number of Protons: 45 Number of Electrons: 45 Number...

 

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