Qhov txawv ntawm Democritus thiab D alton Atomic Theory

Cov txheej txheem:

Qhov txawv ntawm Democritus thiab D alton Atomic Theory
Qhov txawv ntawm Democritus thiab D alton Atomic Theory

Video: Qhov txawv ntawm Democritus thiab D alton Atomic Theory

Video: Qhov txawv ntawm Democritus thiab D alton Atomic Theory
Video: Difference between Alchemy and Chemistry 2024, Cuaj hlis
Anonim

Qhov sib txawv tseem ceeb ntawm Democritus thiab D alton atomic txoj kev xav yog tias Democritus atomic txoj kev xav yog ib qho kev tshawb xav thaum ub uas cov kws tshawb fawb tom qab ua kom zoo dua qub thiab nthuav dav qhov D alton atomic txoj kev xav yog ib qho piv txwv niaj hnub, kev tshawb fawb txog kev tshawb fawb uas peb tsis tuaj yeem muab pov tseg vim nws cov lus tseem ceeb.

Atomic theory yog txoj kev tshawb fawb uas piav txog qhov xwm txheej los ntawm kev sib cais cais hu ua atoms. Lub hauv paus chiv keeb ntawm qhov kev xav no yog los ntawm Greek thaum ub, uas tom qab ntawd nkag mus rau hauv kev tshawb fawb tseem ceeb. Lo lus "atom" txhais tau tias "tsis tuaj yeem" hauv lus Greek.

Democritus Atomic Theory yog dab tsi?

Democritus atomic txoj kev xav yog txoj kev xav thaum ub uas piav txog qhov xwm txheej ntawm atoms. Raws li Democritus (99-55 BC), atoms yog infinite nyob rau hauv tus lej thiab nyob mus ib txhis.

Qhov txawv ntawm Democritus thiab D alton Atomic Theory
Qhov txawv ntawm Democritus thiab D alton Atomic Theory

Daim duab 01: Democritus

Peb tsis tuaj yeem tsim lawv, thiab qhov sib xyaw ntawm atoms hauv cov khoom txiav txim siab qhov zoo ntawm cov khoom ntawd. Txawm li cas los xij, qhov kev xav no tau ua kom zoo dua qub thiab nthuav dav tom qab los ntawm Greek philosopher Epicurus (341 - 270 BC).

D alton Atomic Theory yog dab tsi?

D alton atomic theory yog ib txoj kev tshawb fawb niaj hnub no uas piav txog qhov xwm txheej ntawm cov atoms. Nrog rau txoj kev loj hlob ntawm txoj cai ntawm kev txuag ntawm huab hwm coj thiab txoj cai ntawm cov proportions meej, John D alton tsim ib lub tswv yim tshiab raws li txoj cai ntawm ntau proportions. Nws hais tias yog tias tib ob lub ntsiab lus tuaj yeem sib xyaw ua ke los tsim ntau lub tebchaw sib txawv, ces qhov sib piv ntawm qhov loj ntawm ob lub ntsiab lus hauv lawv cov tebchaw sib txawv yuav raug sawv cev los ntawm cov lej me me.

Tom qab ntawd, nws tau tsim D alton atomic txoj kev xav uas muaj cov lus hauv qab no.

  1. Txhua yam tshuaj muaj cov khoom me me uas tsis pom qhov muag liab qab; atoms.
  2. Peb tsis tuaj yeem tsim lossis rhuav tshem atoms.
  3. Tag nrho cov atoms ntawm tib cov tshuaj muaj pes tsawg leeg yog sib npaug hauv pawg thiab lwm yam khoom.
  4. Thaum tsim cov khoom sib xyaw, cov ntsiab lus sib txawv ua ke sib txawv tab sis cov lej yooj yim.
Qhov txawv ntawm Democritus thiab D alton Atomic Theory
Qhov txawv ntawm Democritus thiab D alton Atomic Theory

Daim duab 02: Txoj Cai Kev Tiv Thaiv Pawg piav qhia tias Tag Nrho Cov Txheej Txheem hauv Tshuaj Ruaj Ntseg tseem nyob tas li.

Txawm li cas los xij, qhov kev xav ntawm atomic no tsis raug rau txhua qhov xwm txheej. Piv txwv li, nqe lus thib ob tsis raug vim tias peb tuaj yeem faib cov atom rau hauv subatomic hais ntawm nuclear fission. Qhov thib peb nqe lus yuav tsis raug vim muaj isotopes; atoms ntawm tib yam tshuaj uas sib txawv ntawm ib leeg raws li atomic masses. Txawm li cas los xij, peb tsis tuaj yeem siv cov ntsiab lus tsis raug no kom tshem tawm qhov kev xav no tag nrho vim tias nws tuaj yeem piav qhia txoj cai ntawm kev txuag ntawm huab hwm coj thiab kev cai lij choj ntawm qhov muaj pes tsawg leeg; Yog hais tias tag nrho cov atoms ntawm ib lub caij yog zoo ib yam nyob rau hauv loj thiab yog hais tias atoms sib sau ua ke nyob rau hauv tas li cov zauv ratios, cov feem pua ntawm cov compound yuav tsum muaj ib tug tshwj xeeb tus nqi yam tsis hais txog cov qauv soj ntsuam.

Dab tsi yog qhov txawv ntawm Democritus thiab D alton Atomic Theory?

Democritus atomic txoj kev xav yog txoj kev xav thaum ub uas piav txog qhov xwm txheej ntawm cov atoms whereas D alton atomic txoj kev xav yog ib txoj kev tshawb fawb niaj hnub uas piav txog qhov xwm txheej ntawm cov atoms. Qhov sib txawv tseem ceeb ntawm Democritus thiab D alton atomic txoj kev xav yog tias raws li Democritus atomic txoj kev xav, cov atoms yog infinite nyob rau hauv tus lej, uncreated, thiab nyob mus ib txhis, thiab hais tias qhov zoo ntawm ib yam khoom los ntawm hom atoms uas tsim nws. Txawm li cas los xij, D alton atomic txoj kev xav piav qhia tias atoms tsis pom ntawm qhov muag liab qab, peb tsis tuaj yeem tsim lossis rhuav tshem lawv, tag nrho cov atoms ntawm tib cov tshuaj sib npaug thiab cov ntaub ntawv sib xyaw los ntawm kev sib xyaw ntawm cov tshuaj sib txawv hauv cov piv txwv yooj yim.

Txawm li cas los xij, lawv feem ntau txawv raws li kev siv tam sim no ntawm txoj kev xav; Yog li ntawd, qhov sib txawv tseem ceeb ntawm Democritus thiab D alton atomic txoj kev xav yog tias Democritus atomic txoj kev xav yog ib qho kev tshawb xav thaum ub uas cov kws tshawb fawb tom qab ua kom zoo dua qub thiab nthuav dav thaum D alton atomic txoj kev xav yog kev sib piv niaj hnub, kev tshawb fawb kev tshawb fawb uas peb tsis tuaj yeem muab pov tseg vim nws cov lus tseem ceeb.

Cov lus qhia hauv qab no ntawm qhov sib txawv ntawm Democritus thiab D alton atomic txoj kev xav piav qhia txhua qhov sib txawv ntawm ob txoj kev xav.

Qhov txawv ntawm Democritus thiab D alton Atomic Theory hauv Tabular Form
Qhov txawv ntawm Democritus thiab D alton Atomic Theory hauv Tabular Form

Summary – Democritus vs D alton Atomic Theory

Ob txoj kev xav ntawm atomic, Democritus atomic txoj kev xav thiab D alton atomic txoj kev xav, sib txawv ntawm ib leeg raws li lawv qhov kev siv tam sim no. Yog li ntawd, qhov sib txawv loj ntawm Democritus thiab D alton atomic txoj kev xav yog tias Democritus atomic txoj kev xav yog ib qho kev tshawb xav thaum ub uas cov kws tshawb fawb tom qab ua kom zoo dua qub thiab nthuav dav thaum D alton atomic txoj kev xav yog kev sib piv niaj hnub, kev tshawb fawb kev tshawb fawb uas peb tsis tuaj yeem muab pov tseg vim nws cov lus tseem ceeb.

Pom zoo: