Podcast
Questions and Answers
What kind of property is malleability considered to be?
What kind of property is malleability considered to be?
- A chemical property
- A physical property (correct)
- A reactive property
- An irreversible property
Which of the following is a sign of a chemical change?
Which of the following is a sign of a chemical change?
- Change in color (correct)
- Cutting into smaller pieces
- Mixing two substances
- Dissolving in water
Which physical property describes the shininess of a material?
Which physical property describes the shininess of a material?
- Hardness
- Lustre (correct)
- Brittleness
- Clarity
What indicates that a chemical reaction has occurred?
What indicates that a chemical reaction has occurred?
Which of the following best describes a chemical change?
Which of the following best describes a chemical change?
What is the main reason Group 1 elements are highly reactive?
What is the main reason Group 1 elements are highly reactive?
Which property would best help in identifying vinegar over water?
Which property would best help in identifying vinegar over water?
What property describes a material's ability to be drawn into wires?
What property describes a material's ability to be drawn into wires?
Which of the following elements is likely to lose two electrons to form a cation?
Which of the following elements is likely to lose two electrons to form a cation?
Which characteristic indicates that magnesium is flammable when heated?
Which characteristic indicates that magnesium is flammable when heated?
Which of the following is a chemical property?
Which of the following is a chemical property?
What scientific term is used when a chemical appears to be cloudy?
What scientific term is used when a chemical appears to be cloudy?
Which of the following is NOT evidence of a chemical change?
Which of the following is NOT evidence of a chemical change?
Which term describes two or more atoms of the same type bonded together?
Which term describes two or more atoms of the same type bonded together?
What happens to metals during ionic bonding?
What happens to metals during ionic bonding?
What is the primary reason atoms bond together?
What is the primary reason atoms bond together?
How many times does oxygen want to share electrons with another element to complete its orbital?
How many times does oxygen want to share electrons with another element to complete its orbital?
What does the subscript 2 in the formula $CaCl_2$ indicate?
What does the subscript 2 in the formula $CaCl_2$ indicate?
What evidence supports that a chemical change occurs when magnesium is mixed with hydrochloric acid?
What evidence supports that a chemical change occurs when magnesium is mixed with hydrochloric acid?
What type of change is occurring when a glass beaker falls and breaks?
What type of change is occurring when a glass beaker falls and breaks?
What does WHMIS stand for?
What does WHMIS stand for?
Which symbol indicates that a product is poisonous?
Which symbol indicates that a product is poisonous?
Which equipment is typically used to measure liquid volume accurately?
Which equipment is typically used to measure liquid volume accurately?
Which description applies to a symbol indicating a container is explosive?
Which description applies to a symbol indicating a container is explosive?
Which of the following is NOT a physical change?
Which of the following is NOT a physical change?
Which physical property describes the ease of a material to be shaped or formed without breaking?
Which physical property describes the ease of a material to be shaped or formed without breaking?
Which of the following is a characteristic of a chemical property?
Which of the following is a characteristic of a chemical property?
What evidence suggests that a physical change has occurred?
What evidence suggests that a physical change has occurred?
Which evidence most conclusively indicates a chemical change has taken place?
Which evidence most conclusively indicates a chemical change has taken place?
Flashcards
Malleability
Malleability
Describes how easily a substance can be bent or shaped without breaking.
Flammability
Flammability
The ability of a substance to burn or ignite easily.
Chemical Change
Chemical Change
A change where a new substance is formed and cannot be reversed.
Physical Change
Physical Change
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Evidence of Chemical Change
Evidence of Chemical Change
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Ductility
Ductility
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Reactivity
Reactivity
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Hardness
Hardness
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Compound
Compound
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Molecule
Molecule
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Atom
Atom
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What is WHMIS?
What is WHMIS?
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What is the purpose of WHMIS?
What is the purpose of WHMIS?
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What is HHPS?
What is HHPS?
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What does this symbol mean?
What does this symbol mean?
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What does this symbol mean?
What does this symbol mean?
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Reversible Change
Reversible Change
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Irreversible Change
Irreversible Change
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Formation of a Precipitate
Formation of a Precipitate
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Study Notes
Physical Properties
- State: Solid, liquid, or gas
- Color: Hue of the substance
- Hardness: Resistance to scratching or indentation
- Malleability: Substance's ability to be hammered or rolled into thin sheets
- Ductility: Ability of a substance to be drawn into wires
- Brittleness: Tendency of a substance to break easily
- Odor: Smell of the substance
- Texture: Feel, appearance, or consistency of the substance
- Lustre: Shininess or dullness of a substance
- Clarity: How clear or opaque a substance is
- Viscosity: Resistance to flow
Chemical Properties
- Corrosiveness: Ability to cause damage by a chemical reaction
- Flammability: Ability to ignite easily
- Reactivity: Ease of changing when contacted with other substances
Evidence of Physical Changes
- Change in state: Solid to liquid, liquid to gas, etc.
- Blending and mixing: Combining substances without creating a new substance.
- Dissolving: One substance dissolving into another
- Cutting: Dividing a substance into smaller pieces.
- Crushing: Reducing the size of a substance.
- Change of size and shape: Alterations in dimensions without creating a new substance. (e.g., breaking a stick)
Evidence of Chemical Changes
- Color change: A shift from one color to another.
- Odor change: A new or different smell appears.
- Heat or light production: Release of heat or light energy
- Gas formation: A gas is made during the chemical reaction.
- Precipitation formation: Formation of an insoluble solid in a reaction between two solutions
- Change in temperature: Observing whether the reaction releases or absorbs heat
- Formation of a new substance: A new substance is formed as a result of the reaction
- Formation of a precipitate: Insoluble solid is formed in a reaction between two solutions
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