Element cards are cards of information for each of the elements of the periodic table

What does element stand for?

Atomic NumberSymbolName85AtAstatine56BaBarium97BkBerkelium4BeBeryllium

What is an element letter?

An element symbol is a one- or two-letter abbreviation for a chemical element name. When a symbol consists of two letters, the first letter is always capitalized, while the second letter is lowercase.