Solids, Liquids, and Gases Sci Study Guide
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13 Terms
Plasma
High-energy matter consisting of positvely and negatively charged particles
Mass
The amount of matter in an object
Volume
The amount of space that a sample of matter occupies
Density
Mass per unit volume
Particle motion
ways in which atoms, ions, or molecules move
Random motion
Movement in all direction and at differenent speeds
Straight lines
The way freely-moving particles move
protons
The positively charged parts of atoms
Electrons
The negatively charged parts of atoms
Particle forces
Oppositly charged particles attract eachother
Solid
The particle speed is slowest and attractive forces between particles is strongest
Liquid
The particle speed is slower than in gas and faster than in solid
Gas
The particles speed is fastest and the attractive forces between particles is the weakest