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Superacid Definition Superacid is an acid with an acidity greater than that of 100% pure sulfuric acid, which has a Hammett acidity function (H0) of…

Thorium Definition Thorium is a silvery-white, radioactive metallic element of the actinide series. The only naturally occurring isotope of thorium, Th 232, is also its…

Hydrogen Fluoride Definition Hydrogen fluoride is a corrosive compound that exists as a colorless, fuming liquid or a highly soluble gas. It is a chemical…

Addition equations with two digit integers An addition equation is a problem that has two or more numbers or integers added together and equaling another…

Titanite Definition Titanite is a very rare calcium titanium silicate that is an important ore of titanium. It is also called Sphene. Its crystals are…

About Lymphoma Definition Lymphoma is a cancer that starts in the white blood cells, or lymphocytes. It is a tumor of the lymphoid tissue. It…

Datolite Definition Datolite is a colourless mineral consisting of a hydrated silicate of calcium and boron in monoclinic crystalline form, occurring in cavities in igneous…

Granzyme Definition Granzyme is a group of serine proteases that are released by the body’s natural killer cells and cytotoxic T-cells. When cells become infected…

Adding Positive and Negative Integers If one of the integers is negative, subtract the absolute value of it from the other number. Example: 14 +…

Zeta Potential Definition Zeta potential, also known as electrokinetic potential, is measured in millivolts (mV). It is the potential difference across phase boundaries between solids…

Pyridazine Definition Pyridazine is a heteroaromatic organic compound with the molecular formula C4H4N2, sometimes called 1,2-diazine. It contains a six-membered ring with two adjacent nitrogen…

Carbonatite Definition Carbonatite is a carbonate rock of apparent magmatic origin, generally associated with kimberlites and alkalic rocks. It has been variously explained as derived…