Final Vocab Test Questions – Flashcards
Unlock all answers in this set
Unlock answersquestion
| Chemestry |
answer
| study of matter and changes |
question
| Physical Property |
answer
| no change to substance material |
question
| Chemical Property |
answer
| chemical change |
question
| Physical Change |
answer
| no new chemical |
question
| Chemical Change |
answer
| New chemical |
question
| Homogeneous Mixture |
answer
| same composition not easly seperated |
question
| Heterogenious Mixture |
answer
| not uniform, seperated |
question
| Product |
answer
| the yeild |
question
| Reactant |
answer
| substance at start |
question
| Element |
answer
| cannot be broken down |
question
| compound |
answer
| two or more elements |
question
| state of matter |
answer
| phase at given point |
question
| solid |
answer
| definate shape and volume |
question
| liquid |
answer
| fixed volume, indefinate shape |
question
| gas |
answer
| no definate shape or volume |
question
| vapor |
answer
| gashous state, liquid or solid @ room temp |
question
| phase |
answer
| uniform composition and properties |
question
| sig fig |
answer
| digets known precisely |
question
| SI units |
answer
| standard units |
question
| kelvin |
answer
| SI for temp |
question
| density |
answer
| d=m/v |
question
| accuracy |
answer
| closeness to true value being mesured |
question
| presicion |
answer
| closeness or reproducibility under same conditions |
question
| conservation of mass |
answer
| matter not created or destroyed |
question
| proton |
answer
| positive in nucleus |
question
| neutron |
answer
| no charge in nucleus |
question
| electron |
answer
| negetive charge no mass |
question
| subatomic particle |
answer
| protron nutron electron |
question
| nucleus |
answer
| center of atom |
question
| atom |
answer
| smallest particle of element |
question
| daltons atomic theory |
answer
| chemical change to atomic level |
question
| rutherford theory |
answer
| structure of atom |
question
| atomic number |
answer
| number of protons |
question
| mass number |
answer
| amount of protons and nutrons |
question
| atomic mass unit |
answer
| SI for atomic mass |
question
| atomic mass |
answer
| average weight of all isitopes |
question
| isoptope |
answer
| different weights because different # nutrons |
question
| avogadros number |
answer
| 6.02*10^23 particles in one mole |
question
| valance electrons |
answer
| electron in highest enegry level |
question
| aufbau principle |
answer
| electrons ocupy lowest level first |
question
| hunds rule |
answer
| spread out electrons |
question
| octet rule |
answer
| noble gas config = 8 valance |
question
| group |
answer
| vertical columb |
question
| period |
answer
| horisontal columb |
question
| diatomic element |
answer
| element that has 2 atoms |
question
| mendeleev |
answer
| increasing atomic mass |
question
| metal |
answer
| good conductor of electricity |
question
| nonmetal |
answer
| poor conductor of electricity |
question
| transition metal |
answer
| highest occupied s sublevel and d sublevel |
question
| metalloid |
answer
| prop of both metal and nonmetal |
question
| ion |
answer
| group of atoms have positive or negative |
question
| anion |
answer
| negative charge |
question
| cation |
answer
| positive charge |
question
| polyatomic ion |
answer
| group of atoms has + or - |
question
| electonegativity |
answer
| attract electrons when in compound |
question
| atomic radius |
answer
| 1/2 distance from nuclei to nuclei of same atom when joined |
question
| octet rule |
answer
| gain or lose electrons to be noble gas |
question
| valence electron |
answer
| highest enegry level in atom |
question
| electron dot diagram |
answer
| structure with dots and lines |
question
| lewis structure |
answer
| eleccyton dot diagram |
question
| ionic bond |
answer
| opposite charge together |
question
| covalent |
answer
| sharing electrons |
question
| polar |
answer
| one side more charged |
question
| non-polar |
answer
| equal charge throughout |
question
| metallic bond |
answer
holds metals tohether floating valance electrons |
question
| double bond |
answer
| tow atoms share two pairs of electrons |
question
| structural formula |
answer
| skeleton structure |
question
| intermolecular forces |
answer
| forces between molicules |
question
| dipole dipole forces |
answer
| oppesetly charged polar molicules |
question
| hydrogen bonding |
answer
| hydrogen bonds to electronegetive atom |
question
| resonance |
answer
| electon dot strructuer that is equal |
question
| vsepr theory |
answer
| shape of molicule ie bent line |
question
| law of definite proportion |
answer
| mass of compounds always proportional |
question
| balanced equation |
answer
| equal elements on both sides |
question
| single replacement |
answer
| one element replaces element in compound |
question
| double replacement |
answer
| two compounds |
question
| synthesis |
answer
| new substance |
question
| decomp reaction |
answer
| compound to two or more compounds |
question
| combustion reaction |
answer
| reacts with oxygen |
question
| precent composition |
answer
| precent by mass of each element in compound |
question
| reactant |
answer
| start of reaction |
question
| product |
answer
| produced |
question
| mole |
answer
| 6.02*10^23 particles of substance |
question
| molar mass |
answer
| mass of one mole of element |
question
| theoretical yeild |
answer
| amount that could form |
question
| precent yeild |
answer
| acutual/theoretical |
question
| ideal gas law |
answer
| PV=nRT |
question
| boyles law |
answer
| PV=PV |
question
| charles law |
answer
| P/T=P/T |
question
| gay lussac law |
answer
| P/T=P/T |
question
| combined gas law |
answer
| P1V1/T1=P2V2/T2 |
question
| molar volume |
answer
| 22.4 L |
question
| dalton law |
answer
| Pt=P1+P2 |
question
| kinetic molecular theory |
answer
| random, elastic, constant, insignificant mass |
question
| pressure |
answer
| 760torr=1atm=101.3KpA |
question
| sublimation |
answer
| skip a stage of matter |
question
| vaporization |
answer
| liquid to gas vapor |
question
| condensation |
answer
| gas to liquid |
question
| boiling point |
answer
| pressure of substance equals air pressure |
question
| normal boling point |
answer
pressure = STP 100 centigrade |
question
| melting point |
answer
| 0 celcius 32 ferenheight |
question
| evaporation |
answer
| liquid to gas not in container |
question
| phase diagram |
answer
| showing conditions for different phases |
question
| vapor pressure |
answer
| gas above liquids pressure |
question
| kinetic enegry |
answer
| motion |
question
| potental enegry |
answer
| possible to occur |
question
| electrolyte |
answer
| compound that can conduct electric current |
question
| solution |
answer
| homogenious mixture |
question
| solubility |
answer
| solute/solvent |
question
| solute |
answer
| chemical dissolved |
question
| solvent |
answer
| chemical doing dissolving |
question
| molarity |
answer
| moles of solute/ litres of solution |
question
| aqueous |
answer
| liquid state |
