Chemistry 1151 ACS Exam 2022 with complete solution solids atomic/molecular motion?atomic/molecular spacing?shape?volume?compressibility? - oscillation/vibration about a fixed point close together definite definite incompressible liquids atomic/molecular motion?atomic/molecular spacing?shape?volume?compressibility? - free to move relative to one another close together indefinite definite incompressible gases atomic/molecular motion?atomic/molecular spacing?shape?volume?compressibility? - free to move relative to one another far apart indefinite indefinite compressible physical properties - properties of a substance shows by itself without interacting with another substance (color, melting point, boiling point, density, shape, physical state, amount) chemical properties - properties a substance shows as it interacts with or transforms into other substances (flammability, corrosiveness, toxicity, poisonous) 1 / 2
SI base units mass?length?time?temperature?amount of substance?electric current?luminous intensity? - kg m sec k mole ampere candela tetra- - 10^12 giga- - 10^9 mega- - 10^6 kilo- - 10^3 deci- - 10^-1 milli- - 10^-3 ceti- - 10^-2 micro- - 10^-6 nano- - 10^-9 pico- - 10^-12 femto- - 10^-15 T (in K) - T (in C) + 273.15 T (in F) - 9/5 T(in C) + 32 law of conservation of mass - dalton
who determined the mass:charge ratio?
who discovered the electron? - thompson
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