5th grade Chapter 12: Matter, Lesson 1
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| Flap 2 | |
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| made up of elements and has mass and volume | matter |
| the smallest particle of an element that still has the properties of an element | atom |
| a substance that cannot be broken apart into other substances called chemical bonds | element |
| two or more atoms joined together by certain forces of attraction | molecule |
| a particle with no charge | neutron |
| small central core of an atom | nucleus |
| a particle with a positive electrical charge | proton |
| a particle with a negative charge and evenly placed through an atom | electron |
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