Chemistry /ATI TEAS: Properties of Substances
What are intensive physical properties?
Physical properties that do not change by the substance's size, such as boiling point, melting point, luster, conductivity, malleability, density, and specific heat.
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Key Terms
Term
Definition
What are intensive physical properties?
Physical properties that do not change by the substance's size, such as boiling point, melting point, luster, conductivity, malleability, density, and...
What is specific heat capacity?
The amount of energy needed to change the temperature of 1 gram of a substance by 1 degree Celsius.
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What are extensive properties?
Characteristics that change with sample size, such as length, volume, mass, energy, enthalpy, and entropy.
What is a polar covalent bond?
A type of covalent bond where electrons are not equally shared between molecules, creating a negative and positive spot on the molecule.
What is a hydrogen bond?
A type of non-covalent bond between the partial negative region of an O molecule and a partial positive of a hydrogen, creating surface tension.
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What is a non-polar covalent bond?
A type of covalent bond where electrons are shared evenly between molecules.
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| Term | Definition |
|---|---|
What are intensive physical properties? | Physical properties that do not change by the substance's size, such as boiling point, melting point, luster, conductivity, malleability, density, and specific heat. |
What is specific heat capacity? | The amount of energy needed to change the temperature of 1 gram of a substance by 1 degree Celsius. |
What are extensive properties? | Characteristics that change with sample size, such as length, volume, mass, energy, enthalpy, and entropy. |
What is a polar covalent bond? | A type of covalent bond where electrons are not equally shared between molecules, creating a negative and positive spot on the molecule. |
What is a hydrogen bond? | A type of non-covalent bond between the partial negative region of an O molecule and a partial positive of a hydrogen, creating surface tension. |
What is a non-polar covalent bond? | A type of covalent bond where electrons are shared evenly between molecules. |
What is diffusion? | The passive movement of a substance from areas of high concentration to low. |
What is osmosis? | The diffusion of water through semi-permeable membranes down a concentration gradient. |