Tope txhais li cas hauv isotope?
Tope txhais li cas hauv isotope?

Video: Tope txhais li cas hauv isotope?

Video: Tope txhais li cas hauv isotope?
Video: Txhaum Lub Ntuj - David Yang (NEW HMONG MUSIC 2020) 2024, Kaum ib hlis
Anonim

Etymology 1. Los ntawm iso- ("equal") +‎ - tope ("chaw"), vim qhov txawv isotopes ntawm cov khoom siv tshuaj ib txwm nyob hauv tib txoj haujlwm nyob rau hauv lub sij hawm ntawm lub ntsiab lus. Lub sij hawm tau tsim los ntawm tus kws kho mob Scottish Margaret Todd hauv xyoo 1909 thiab thawj zaug siv rau pej xeem thaum Lub Ob Hlis 27, 1913 los ntawm Askiv kws tshuaj Frederick Soddy.

Cov lus nug tseem yog, dab tsi yog isotope txhais tau yooj yim?

isotope . Ib isotope ntawm cov khoom siv tshuaj yog ib qho atom uas muaj ntau qhov sib txawv ntawm cov neutrons (uas yog, ntau dua lossis tsawg dua atomic mass) dua li tus qauv rau lub caij ntawd. Tus naj npawb atomic yog tus naj npawb ntawm protons hauv atom lub nucleus.

Tsis tas li ntawd, isotopes thiab piv txwv yog dab tsi? Rau piv txwv Ib qho atom nrog 6 protons yuav tsum yog carbon, thiab atom nrog 92 protons yuav tsum yog uranium. Ntxiv nrog rau cov protons, cov atoms ntawm yuav luag txhua lub caij tseem muaj cov neutrons. Qhov loj ntawm ib tug neutron yuav luag zoo tib yam li cov proton. Cov no isotopes yog hu ua carbon-12, carbon-13 thiab carbon-14.

Hais txog qhov no, dab tsi zoo tshaj piav qhia txog isotope?

Isotopes ntawm tib lub caij muaj tib tus lej atomic tab sis txawv ntawm lawv cov atomic masses. Qhov twg hauv qab no Qhov zoo tshaj plaws piav qhia txog isotope ? Cov qauv sib txawv ntawm cov atoms, uas muaj tib tus naj npawb ntawm protons (thiab electrons), tab sis txawv ntawm cov neutrons lawv muaj.

Lub ntsiab lus Tope txhais li cas?

intransitive verb Haus cawv kom dhau, tshwj xeeb tshaj yog tsis tu ncua. 'nws tau topping lub sij hawm los ntawm ib tug chij ntawm lub hnab' intoxicated, inebriated, qaug dej qaug cawv, befuddled, incapable, tipsy, qhov phem rau haus, nyob rau hauv lub cawv, maudlin.

Pom zoo: