## Alpha

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**434**
The letter alpha represents various concepts in physics and chemistry, including alpha radiation, angular acceleration, alpha particles and alpha carbon. Alpha also stands for thermal expansion coefficient of a compound in physical chemistry. It is also commonly used in mathematics in algebraic solutions representing quantities such as angles. Furthermore, in mathematics, the letter alpha is used to denote the area underneath a normal curve in statistics when finding figures such as the null and alternative hypotheses. In zoology, is used to name the dominant individual in a wolf or dog pack. Collection by YouWorkForThem.