Science, Tech, Math › Science Greek Alphabet in Chemistry Table of Greek Letters Share Flipboard Email Print sudanmas/E+/Getty Images Science Chemistry Periodic Table Basics Chemical Laws Molecules Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry In Everyday Life Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate by Todd Helmenstine Updated March 04, 2019 Scholars used to be conversant with Greek and Latin as part of their education. They even used these languages to publish their ideas or work. Correspondence with other scholars was possible even if their native languages weren't the same. Variables in science and mathematics need a symbol to represent them when they are written. A scholar would need a new symbol to represent their new idea and Greek was one of the tools at hand. Applying a Greek letter to a symbol became second nature. Today, while Greek and Latin aren't on every student's curriculum, the Greek alphabet is learned as needed. The table below lists all twenty-four letters in both upper and lowercase of the Greek alphabet used in science and mathematics. Name Upper Case Lower Case Alpha Α α Beta Β β Gamma Γ γ Delta Δ δ Epsilon Ε ε Zeta Ζ ζ Eta Η η Theta Θ θ Iota Ι ι Kappa Κ κ Lambda Λ λ Mu Μ μ Nu Ν ν Xi Ξ ξ Omicron Ο ο Pi Π π Rho Ρ ρ Sigma Σ σ Tau Τ τ Upsilon Υ υ Phi Φ φ Chi Χ χ Psi Ψ ψ Omega Ω ω Continue Reading How to Write Greek Letters With HTML All the Letters of the Greek Alphabet, From Alpha to Omega Why Mathematics Is a Language How Are Math Symbols Used and What Do They Represent? Symbol of a Chemical Element - Reading the Periodic Table Which Parts of the Greek Alphabet are Used in the Greek System? Who Invented the First Alphabet? What Is a Grapheme? Learn the Meanings and See Photos of Common Tombstone Symbols The Semitic, Etruscan, and Greek History Behind Latin Letters What Is a Chemical Symbol? From A to Z: Quick Facts About the English Alphabet What Is a Gram in Chemistry? Look Up Math Definitions With This Handy Glossary Who Came Up With the Alphabet? What Is the Alphabet in English?