Atoms, Elements, Molecules, Compounds

Front

What is the difference between molecules and compounds?

Back

Compounds are formed when atoms from different elements bond together, while molecules can consist of atoms from the same or different elements.

Front

Are all compounds also molecules?

Back

Yes, all compounds are molecules, but not all molecules are compounds.

Front

What term best describes an extended structure with repeating patterns?

Back

A crystal.

Front

What determines whether atoms will bond to form a molecule?

Back

The attraction between atoms.

Front

What is H2O most accurately described as?

Back

A compound.

Front

Define an atom.

Back

An atom is the smallest unit of an element, consisting of protons, neutrons, and electrons.

Front

What is an element?

Back

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

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together, which can be of the same or different elements.

Front

What is a compound?

Back

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

Front

What is the significance of chemical bonds in molecules?

Back

Chemical bonds determine the structure and properties of molecules, influencing how they interact with other substances.