Elements and Compounds

Front

What is an element?

Back

A pure substance consisting of only one type of atom.

Front

What is the smallest unit of matter?

Back

Atom.

Front

Which element is represented by the symbol 'H'?

Back

Hydrogen.

Front

Can a molecule be made of the same element?

Back

Yes.

Front

What is the purpose of chemical symbols?

Back

To represent elements on the periodic table.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is the difference between an element and a compound?

Back

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

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by their atomic number, electron configuration, and recurring chemical properties.