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"Matter"
| Question | Answer |
|---|---|
| anything that has mass and takes up space | Matter |
| a characteristic of a substance that can be observed | property |
| a property that can be observed without changing the identity of the substance | physical property |
| the temperature at which a substance changes from a solid to a liquid at a given pressure water=0'C | melting point |
| the temperature at which a substance changes from a solid to a liquid at a given pressure water=100'C | boiling point |
| a property that can only be observed by changing the identity of the substance | chemical properties |
| is the amount of mass per unit of volume(can be used to identity a substance) | Density |
| not easily compressed, rigid, doesn't flow easily, retains a fixed volume or shape | Solid |
| flows easily, takes shape of the container which it occupies, little free space between particle | Liquid |
| compressible, lots of free space between particles, particles can move past one another, assumes the shape and volume of its container | Gas |
| smallest unit of matter | Atom |
| number of protons in an atom of a given element | Atomic Number |
| number of protons plus the number of neutrons in an atom | Atomic Mass |
| center of the atom that has the proton and neutrons (heaviest part of the atom) | Nucleus |
| positive subatomic particle in the nucleus | Proton |
| neutral subatomic particle in the nucleus | Neutron |
| negative subatomic particle that is around the outside of the nucleus | Electron |
| ability to be flattened into a sheet, bendable | malleability |
| ability to be stretched into a wire | ductility |
| ability to react with another substance | reactivity |
| horizontal rows on periodic table | period |
| vertical columns on periodic table | groups |
| temperature where solid turns to liquid | melting point |
| temperature where liquid turns to gas | boiling point |
| a change that occurs without changing the identity of the substance | physical change |
| a change that occurs by changing the identity of the substance | chemical change |
| when 2 or more substance are combined physically | mixture |
| when 2 or more substances are combined chemically and can't be separated by physical means | compound |
| a change that occurs without changing the identity of the substance | physical change |
| a change that occurs by changing the identity of the substance | chemical change |
| when 2 or more substance are combined physically | mixture |
| when 2 or more substances are combined chemically and can't be separated by physical means | compound |
| parts are mixed evenly throughout (same) | Homogeneous mixture |
| parts are uneven throughout (different) | Heterogeneous mixture |
| type of mixture where the solute is dissolved/mixed evenly in the solvent | Solution |
| the part of the solution that dissolves | solute |
| the part of the solution that the solute dissolves in | solven |
Created by:
berrezuetaai
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