Physical Properties
A property that can be observed or measured without forming a new substance.
What are physical properties?
Change of matter that usually results from pressure, temperature or motion that does not change the physical properties of the substance.
What is a physical change?
The properties that describe the reactivity of a substance with other substances.
What are chemical properties?
When baking soda and vinegar are mixed, bubbles form as new substances are produced. This process is called a...
What is a chemical reaction?
A pebble sinks to the bottom of a lake because its density is ______ than water.
What is greater (or higher)?
The 3 most common states of matter.
The description for a substance turning into a different substance.
What is a chemical change?
Describes substance's ability to participate in a chemical reaction (react with others)
What is a chemical property?
Scientists use this to show reactants turning into products using symbols and formulas.
What is a chemical equation?
The relative density of something that sinks
What is more dense?
The amount of matter in an object.
What is mass?
The term for how well a substance dissolves.
What is solubility?
Reactivity, Flammability, Toxicity
What are examples of chemical properties?
In the equation 2H₂ + O₂ → 2H₂O, the large number 2 in front of H₂ is called this.
What is a coefficient?
Stays the same for all substances/objects no matter what the sample size and is characteristic of that substance. The amount of mass per unit volume.
What is density?
Physical property describing how bendy or moveable the substance is.
What is malleability?
Heat or light given off or absorbed, starting material used up, colour change, gas bubbles forming, a precipitate forms in a liquid.
What are the five things that indicate a chemical change?
How likely something is to react with another substance.
What is reactivity.
A hand warmer heats up as a chemical reaction releases energy. This type of reaction occurs.
What is an exothermic reaction?
D = M / V
What is the equation for density?
Physical property describing something's ability to be pulled into wires.
What is ductility?
A candle's wax melts while its wick burns. Identify the physical and chemical changes.
What are melting (physical) and burning (chemical)?
The ability of a substance to burn or catch fire.
What is flammability?
A chemical reaction absorbs energy from its surroundings, causing the surroundings to cool. This type of reaction is occurring.
What is an endothermic reaction?
g/mL or g/cm3
What are the Units for density?