MATTER Flashcards
anything that occupies space & has mass
matter
properties that can be observed & measured with out changing the substance
physical properties
doesn’t depend on the amount of matter e.g. density, odor, taste
intensive properties
what properioes that
depend on the amount of matter e.g. mass, volume, length
extensive properties
property that can be identified when one substance reacts with other substance
chemical properties
what are the pure substances
elements, metals, non-metals, metalloids
what pure substance that cannot be decomposed by ordinary chemical means
elements
what pure substance that conducts heat and electricity easily
metals
what pure substance that have low density and don’t conduct heat & electricity
non-metals
what pure substance that has properties of both metals and non-metals
metalloids
combination of two or more elements that can be decomposed chemically
compounds
what compounds that contain carbon, especially carbon-hydrogen bonds
organic compounds
what compounds that don’t have carbon-hydrogen bonds but contain table salt (NaCl), CO2, diamond (pure carbon)
inorganic compounds
combination of two or more substances that are physically mixed and can be separated
mixtures
what mixtures where there is only one phase is observable
homogenous
how does homogenous happen
solution = solute + solvent
what is the difference between solute & solvent
solute is the substance dissolved e.g. salt
solvent is the dissolving agent
e.g. water
what homogenous solution is where there are more solute than solvent
concentrated
what homogenous solution is where there are more solvent than solute
diluted
what homogenous solution is where there are equal amount of solute and solvent
saturated
what homogenous solution is where the solute is higher than max
supersaturated solution
what kind of mixtures where there are 2 or more phases are observable
heterogeneous
what phase in heterogeneous mixture where particles are settle out
suspension
what phase in heterogeneous mixture where it exhibits tyndall effect (if light passes through, light beam will be visible)
colloids
what are the fundamental states/phase of matter
solid
liquid
gas
plasma - when air/gas is ionized
Bose Einstein Condensate (BEC) - when gas of bosons cooled to temp close to absolute zero
solid to liquid
melting
liquid to solid
freezing
liquid to gas
evaporation
gas to liquid
condensation
solid to gas
sublimation
gas to solid
deposition
ability of metals to be flattened into sheets w/out breaking
malleability
ability of metals to be drawn into wires
ductility
ability o f an object to be stretched and then return to its original shape
elasticity
amount of solute that can be dissolved in a given amount of solvent at any given temp
solubility
property of a liquid to draw the surface molecules into body of a liquid and reduces its surface area
surface tension
resistance of fluid to flow
viscosity
ability of liquids to rise through tubes
capillarity
what changes that involve change in state, size, shape, or physical appearance
physical change
change that result in formation of new substance
chemical change
ability of matter to spread quickly; movement of substance from an area higher concentration to an area of lower concentration
diffusion
attraction between unlike molecules
adhesion
attraction between like molecules
cohesion
refers to the random motion of particles suspended in a liquid or gas, caused by collisions with molecules of the surrounding medium
brownian motion
chemical reaction that releases heat to the surroundings
exothermic reaction
chemical reaction that absorbs heat from the surroundings
endothermic reaction
