Science

Addition Equations To solve an equation means to find a value for the variable that makes the equation true. Whatever you do to one side…

Tannic Acid Definition Tannic acid is a lustrous, yellow-brown, amorphous tannin, having the chemical composition C76H52O46. Commercial tannic acid is usually extracted from any of…

Solving an Inequality An inequality is similar to an equation. There are two expressions separated by a symbol that indicates how one expression is related…

Vascular Dementia Definition Vascular dementia is widely considered the second most common cause of dementia after Alzheimer’s disease, accounting for 10 percent of cases. It…

Technetium Definition Technetium is a silvery-gray, radioactive metallic element. It was the first element to be artificially made, and it is produced naturally in extremely…

Solving an Equation An equation is a mathematical statement that has two expressions separated by an equal sign. The expression on the left side of…

Gallic Acid Definition Gallic acid is a colourless crystalline compound obtained from tannin: used as a tanning agent and in making inks, paper, and pyrogallol;…

About Dementia Definition Dementia is a syndrome (a group of related symptoms) associated with an ongoing decline of brain functioning. Criteria for the diagnosis of…

Reflection of Point in Y-Axis A reflection can be thought of as folding or “flipping” an object over the line of reflection. An object and…

Hafnium Definition Hafnium is a bright, silvery metallic element that occurs in zirconium ores, with symbol Hf. Because hafnium absorbs neutrons better than any other…

Reflection of a Point in the x-axis A reflection can be thought of as folding or “flipping” an object over the line of reflection. When…

Zirconium Definition Zirconium is a shiny, grayish-white metallic element that occurs primarily in zircon. It is used to build nuclear reactors because of its ability…