October 26, 2016

Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas.Argon is the third most abundant gas in the Earth's atmosphere.Argon is the most abundant noble gas in Earth's crust, comprising 0.00015% of the crust.so let's read some gacts about this noble gas

October 29, 2016

What do you consider to be the worst acid ? If you've ever had the misfortune to get up close and personal with any of the strong acids, such as sulfuric acid or nitric acid, you know the chemical burn is much like having a hot coal fall onto your clothing or skin. The difference is, you can brush off a hot coal, while an acid continues to do damage until it has completely reacted.

Sulfuric and nitric acids are strong, but they are not even close to being the worst acids !

Here's a list of 4 acids that are considerably more dangerous, including one that dissolves your body from the inside-out and another that eats through solids like the corrosive blood of the creature in the Alien movies.

October 29, 2016

Get essential facts about the first 20 elements, all in one convenient place, including the name, atomic number, atomic mass, element symbol, group, and electron configuration

January 01, 2020

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