Physical and Chemical Properties Flashcards

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Questions and Answers

What is a physical property?

The ability to burn

To change from a liquid to a gas

Can be observed without changing the substance (correct)

Only observed when substances react

What does solubility refer to?

Whether a substance dissolves in water

Define hardness.

How hard or soft matter is

What is thermal conductivity?

The ability of matter to allow heat to pass through Signup and view all the answers

What does electrical conductivity measure?

The ability of matter to allow electricity to pass through Signup and view all the answers

What is magnetism?

The ability of matter to attract to a magnet Signup and view all the answers

What is the melting point?

Temperature at which a substance changes from solid to liquid Signup and view all the answers

What is the boiling point?

Temperature at which a substance changes from liquid to gas Signup and view all the answers

Define density.

The relationship between the mass of a material and its volume Signup and view all the answers

Color alone is a significant identifier of a substance.

False Signup and view all the answers

What is a chemical property?

Can be observed when substances react with another substance Signup and view all the answers

What is flammability?

The ability of matter to burn or ignite Signup and view all the answers

Define oxidation.

The ability of matter to react with oxygen. Signup and view all the answers

Match the following examples with their types:

Melting Point = Physical Property Flammability = Chemical Property Density = Physical Property Reactivity to Water = Chemical Property Signup and view all the answers

What are examples of physical properties of matter?

Melting Point, Boiling Point, Density, Color, Conductivity, Solubility, Magnetism, Hardness Signup and view all the answers

What are examples of chemical properties of matter?

Flammability, Oxidation State, Toxicity, Reactivity to Water, Radioactivity, Chemical Stability Signup and view all the answers

What does texture refer to?

How the surface of a substance feels Signup and view all the answers

Define odor.

How a substance affects the olfactory receptors Signup and view all the answers

What is toxicity?

The quality of being toxic or poisonous Signup and view all the answers

What is reactivity to water?

The ability of matter to react with water Signup and view all the answers

What is radioactivity?

Radioactive particles are released Signup and view all the answers

Define chemical stability.

The ability of matter to stay the same Signup and view all the answers

Study Notes

Physical Properties

Observed and measured without altering the substance's identity.
Examples include melt point, boil point, density, hardness, and solubility.
Key indicators include texture (surface feel) and color (not a definitive identifier).

Chemical Properties

Only observed during chemical reactions when substances interact, resulting in a new substance.
Examples encompass flammability, oxidation, and toxicity.
Reactivity to water and radioactivity are also notable chemical properties, indicating how a substance may behave in different environments.

Specific Terms

Solubility: Determines if a substance can dissolve in water.
Hardness: Measures the softness or firmness of a material.
Thermal Conductivity: Assesses how well heat passes through a substance.
Electrical Conductivity: Indicates a material's ability to conduct electricity.
Magnetism: Relates to the attraction of matter to magnets.
Melting Point: Temperature transition from solid to liquid.
Boiling Point: Temperature at which a liquid becomes a gas.
Density: Ratio of mass to volume, fundamental for material identification.
Odor: The scent emitted by a substance affecting olfactory receptors.
Toxicity: Concerns the harmful effects of a substance.
Flammability: Capacity of a material to ignite and combust.
Oxidation: Reaction with oxygen, often leading to rusting.
Reactivity to Water: Interaction tendency when in contact with water.
Radioactivity: Emission of radioactive particles from unstable nuclei.
Chemical Stability: The tendency to maintain the same chemical composition over time.

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Description

Explore essential physical and chemical properties with these flashcards. Each card offers a key term and its definition, enhancing your understanding of matter's characteristics. Perfect for science students and enthusiasts alike!