Identifying Elements and Molecules Gallery Walk

Front

What is an Element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Front

What is a Molecule?

Back

A molecule is a group of two or more atoms bonded together. Molecules can consist of the same or different types of atoms.

Front

Identify the incorrectly written element symbol: i, B, Ga, O.

Back

The incorrectly written element symbol is 'i'. Element symbols must start with a capital letter.

Front

What is the symbol for Boron?

Back

The symbol for Boron is 'B'.

Front

What is the symbol for Gallium?

Back

The symbol for Gallium is 'Ga'.

Front

What is the symbol for Oxygen?

Back

The symbol for Oxygen is 'O'.

Front

Can a molecule be made of the same type of atoms?

Back

Yes, a molecule can be made of the same type of atoms, such as O2 (oxygen gas), which consists of two oxygen atoms.

Front

What is the difference between an element and a molecule?

Back

An element is a single type of atom, while a molecule is a combination of two or more atoms.

Front

Give an example of a molecule made of different elements.

Back

An example of a molecule made of different elements is water (H2O), which consists of two hydrogen atoms and one oxygen atom.

Front

What is the smallest unit of an element?

Back

The smallest unit of an element is an atom.