In chemistry, the first letter is always capitalized and the second is lowercase. This helps you figure out where one "letter" ends and the next begins (e.g., BaNe is Barium and Neon, not B, A, N, E).
The phrase almost certainly refers to a popular activity used in science and chemistry classrooms to help students practice using the Periodic Table of Elements . an elemental trip through europe worksheet answers
You identify the element by its chemical symbol, then use the first letter(s) of the element name to find the location. In chemistry, the first letter is always capitalized