Mini Summative 10/9/15 Flashcards
What 3 things is a state of matter based on?
Particle arrangement, energy of particles, and distance between particles
Solid to Liquid
Melting
Liquid to Solid
Freezing
Liquid to Gas
Vaporization
Gas to Liquid
Condensation
Solid to Gas
Sublimation
Gas to Solid
Desublimation
Pure Substance
Can write chemical formula; homogeneous
Compound
Combination of atoms in a fixed position; described by a chemical formula; Homogeneous
What is the definition of matter?
Anything that had mass, takes up space, but is not pure energy
Element
Listed on the periodic table; have a chemical symbol; made of one kind of atom; Homogenous
Mixtures
Variable ratios; are made by a recipe that can change
Solutions
Homogeneous mixture; solute+solvent
Suspensions
Heterogeneous mixture; layers spread out over time
Colloids
heterogeneous mixture; particles do not settle out over time
Vinegar, Glass Cleaner, Gasoline
Solutions
Milk, Butter, Paint
Colloids
Italian Salad Dressing, Coca-Cola, Chocolate Milk
Suspensions
Physical Change
A physical change is any change NOT involving a change in the substance’s chemical identity.
Chemical Change
A process in which chemical bonds are broken and new ones are made.
Physical Property
Can be observed or measured without changing the composition of matter
Chemical Property
A property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
Solids have the ________ KE
Lowest
Gases have _______ KE
High
Homogeneous solutions
Looks same throughout
Gases have _____ PE
Low
Heterogeneous solutions
Colloids and Suspensions; you can still see stuff in it
Gas+heat+electrical energy
Plasma
Plasma has the _______ KE
Highest
Solids have ___ PE
Low
Liquids have a KE
High
Liquids have a PE
Low
Plasma has the ________ PE
Lowest
