Elements and Compounds

Vocabulary flashcards covering definitions and examples of elements and compounds from Science class.

Element

A pure substance consisting of only one type of atom that cannot be broken down into a simpler substance, with all elements listed in the Periodic Table.

Compound

A pure substance made up of two or more different elements chemically joined together in a fixed proportion, having different properties from the elements that make it up.

Gold

An element example represented as $Au$.

Oxygen

An element example represented by the molecular formula $O_2$.

Iron

An element example represented by the symbol $Fe$.

Water

A compound example with the chemical formula $H_2O$, formed from Hydrogen and Oxygen.

Salt

A compound example with the chemical formula $NaCl$, formed from Sodium and Chlorine.

Carbon Dioxide

A compound example with the chemical formula $CO_2$, formed from Carbon and Oxygen.