Elements and Compounds

Front

What is the one or two letter representation of an element, often derived from its Latin name?

Back

Element symbol

Front

What do you call two or more atoms that are chemically combined?

Back

Molecule

Front

What is a chemical combination of two or more elements called?

Back

Compound

Front

What is the term for the number to the lower right of an element symbol in a compound formula that indicates the number of atoms for that element?

Back

Subscript

Front

What is a pure substance that cannot be broken down into simpler substances by a chemical reaction?

Back

Element

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down, while a compound is a chemical combination of two or more elements.

Front

What is the smallest unit of a compound that retains its chemical properties?

Back

Molecule

Front

What is the term for a substance made up of only one type of atom?

Back

Element

Front

How are chemical symbols for elements typically formatted?

Back

They consist of one or two letters, with the first letter capitalized and the second letter (if present) in lowercase.

Front

What is the significance of subscripts in a chemical formula?

Back

Subscripts indicate the number of atoms of each element in a molecule.