Ch. 5 Matter & Atoms Review

A mixture in which the substances are not evenly mixed

• chromatography

• component

• compound

• heterogeneous mixture

A mixture in which all the components are evenly mixed.

• homogeneous mixture

• mixture

• pure substance

• separations

___________is the basic unit from which all matter is made.

• Element

• Atoms

• Molecule

• Matter

A substance is...

• matter with a composition that is always the same

• something that makes up something else

• physically combined components

• only pure elements

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

the central region of an atom where most of the atom's mass can be found

• nucleus

• electron cloud

• core

• center

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

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

• negatrons 
• electrons 
• neutrons 
• protons 

How many protons does this atom have?

• 2.5
• 6
• 5
• 10.811

Tags

NGSS.MS-PS1-1