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Matter
Elements and Atoms
Term | Definition |
---|---|
Amount of matter in an object | Mass |
This form of matter can be poured and takes the shape of its container | Liquid |
This form of matter is invisible and spreads out to fill up the container | Gas |
This form of matter has a specific shape | Solid |
Anything that has weight and takes up space | Matter |
The amount of space an item takes up | Volume |
Two or more pieces of matter that are combined but can be separated | Mixture |
Two or more pieces of matter that can be combined but CANNOT be easily separated | Solution |
How much matter an object contains in a given amount of space | Density |
Method used to find the volume of an irregularly shaped object | Water displacement |
Total number of protons and neutrons in the nucleus | Atomic mass |
Smallest unit of matter | Atom |
Pure substance where all atoms are the same | Element |
Number of protons in the nucleus | Atomic Number |
Particles are EVENLY distributed throughout the mixture | Homogeneous |
Particles are UNEVENLY distributed throughout the mixture | Heterogeneous |
Particles that are smaller than an atom and make up the atom | Subatomic particles |
Subatomic particle with a positive charge | Proton |
Subatomic particle with a negative charge | Electron |
Subatomic particle that is neutral | Neutron |