Isotopes, Elements, Compounds, and Mixtures

The smallest part of an element.....

• Mixture

• Compound

• Molecule

• atom

All matter can be either a pure substance or ______.

• an atom

• a mixture

• an element

• changing

The following picture is a model of a ________.

• Mixture

• Compound

• Molecule

• Element

Tags

NGSS.MS-PS1-1

A combination of different substances that remain the same individual substances and these individual substances can be easily separated is a what?

• mixture
• compound
• molecule
• element

The following picture is a _______________.

• compound
• mixture
• element
• molecule

Tags

NGSS.MS-PS1-1

The following picture is a picture of a (n)_______.

• element

• mixture of elements

• compound

• mixture of compounds

Tags

NGSS.MS-PS1-1

Gold (Au) is an example of a (n)________.

• element

• compound

• mixture

• molecule

Tags

NGSS.MS-PS1-1

An example of a mixture is ___________.

• Helium (He)

• table salt ( NaCl)

• sugar water (C₁₂H₂₂O₁₁ + H₂O)

• potassium (K)

Can an element be broken  down into a simpler substance by ordinary chemical or physical means?

• Yes
• No

Tags

NGSS.MS-PS1-5

The parts of a compound can be separated by _________ means.

• any
• no
• chemical
• physical