Particle Diagrams

​A molecule is a pure substance made up of at least two atoms bonded together. It is similar to a compound EXCEPT a molecule can have the same element or different elements.

​All Compounds are molecules, but not all molecules are compounds???

​A compound is a pure substance because the elements are bonded together.

The composition is in the same proportions throughout.

​Not a pure substance.

The

compositionvaries and is not the same throughout.

Multiple Select

Pick the three terms that apply to the particle diagram.

• pure substance

• mixture

• element

• molecule

• compound

Multiple Select

Pick the two terms that apply to the particle diagram.

• pure substance

• mixture

• element

• molecule

• compound

Multiple Select

Pick the term that apply to the particle diagram.

• pure substance

• mixture