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 The Greek Alphabet, From Alpha to Omega Yeats' Classic Take on 'The Symbolism of Poetry' How the Greek Alphabet Developed What Is the Alphabet in English? How to Write Greek Letters With HTML The Meanings of Common Tombstone Symbols and Icons How Are Math Symbols Used and What Do They Represent? Definition and Examples of Symbolism in Rhetoric Using Ubuntu? Here's How To Type Spanish Symbols and Characters Who Invented the First Alphabet? What Makes the Letters of the Alphabet Special? Who Came Up With the Alphabet? What Do They Call the @ or "At" Symbol in Spanish? How to Make an Alphabetical List 4 Symbols of the Greek Goddess Athena Why Did Ancient Societies Blow Their Budgets Building Pointy Things?