Flashcardizz: Elements and Compounds

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

Which of the following is a compound? CO2, Si, Cl, He, Ti

Back

CO2 is a compound.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

Is Iron (Fe) an element or a compound?

Back

Iron (Fe) is an element.

Front

True or False: A compound consists of two or more elements bound together.

Back

True.

Front

Which of the following represents an element? H2O, H2, NaCl, CaCO3

Back

H2 represents an element.

Front

What is the smallest unit of a compound?

Back

The smallest unit of a compound is a molecule.

Front

What is the difference between an element and a compound?

Back

An element is a single type of atom, while a compound is made up of two or more different types of atoms chemically bonded.

Front

Can a compound be broken down into simpler substances?

Back

Yes, a compound can be broken down into its constituent elements through chemical reactions.

Front

What is a chemical bond?

Back

A chemical bond is the force that holds atoms together in a compound.