general preamble vocab Flashcards
study of matter and energy and more importantly the changes between them
chemistry
mass reactants = mass products (the whole reason we balance stuffs)
Law of Conservation of Mass
energy can’t be created or destroyed, and can only change forms
Law of Conservation of Energy
solid to liquid
melting
liquid to gas
boiling
gas to liquid
condensing
solid to gas
sublimation
gas to solid
deposition
liquid to solid
freezing
What are the three separation techniques?
chromatography, distillation, filtration
Distillation involves…
boiling points
Filtration does what exactly?
separates solids from liquids
Protons + Neutrons tell us what about an isotope?
its mass
Protons specifically tell us what about an isotope?
the identity of the isotope (element # basically)
Electrons tell us what about an isotope?
chemical characteristics