Elements, Compounds, Mixtures

What are atoms?

• The largest piece of matter

• The smallest piece of matter

• Many types of elements mixed together

• One type of element mixed together

Tags

NGSS.MS-PS1-1

What is an element?

• A molecule that has more than one type of atom bonded together

• A substance such as water

• The same type of atoms

• Different types of atoms

Tags

NGSS.MS-PS1-1

What is a molecule?

• A group of atoms held together by chemical bonds

• A single atom next to another atom

• ONLY one type of atom bonded together

• ONLY different types of atoms bonded together

Tags

NGSS.MS-PS1-1

Chemical bonds...

• are represented by an element symbol (such as O for Oxygen)

• Hold mixtures together

• Hold multiple atoms together and can be separated by physical means

• hold multiple atoms together and must be separated by chemical means

Molecules that have two or more different types of atoms are called

• Element

• Compound

• Mixture

• Chemical Bonds

Tags

NGSS.MS-PS1-1

This shows what elements are in a molecule and how many atoms

• Chemical bonds

• Element symbol

• Subscript

• Chemical formula

Tags

NGSS.MS-PS1-1

Contains different elements or compounds that are not chemically bonded

• Compound

• Element

• Mixture

• Pure substance

This molecule is a

• Compound

• Mixture

• Element

Tags

NGSS.MS-PS1-1

This is an example of

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

This is an example of

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1