Atom & Elements Recap

A substance that contains only a single type of atom is a _____________

• Mixture

• Compound

• Molecule

• Element

What are the two different types of mixtures?

• Endothermic and Exothermic

• Exothermic and Homogeneous

• Heterogeneous and Homogeneous

• Endothermic and Heterogeneous

An example of a pure substance is __________.

• Pizza

• Dirt

• Blood

• Water

Tags

NGSS.MS-PS1-4

If two Oxygen atoms bond with one Carbon atom to for Carbon Dioxide, Carbon Dioxide is a __________________.

• compound

• mixture

• element

• atom

Tags

NGSS.MS-PS1-1

Gold (Au) is an example of an ______________________.

• Element

• Compound

• Mixture

• Molecule

Anything that has mass and volume.

• Elements
• Atoms
• Matter
• Periodic Table

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

These have a negative electric charge and move around outside the nucleus.

• electron
• proton
• neutron

Tags

NGSS.MS-PS2-3

The smallest particle of an element is

• an atom.

• a mixture

• a molecule

• a compound

Tags

NGSS.MS-PS1-1