Video: Leej twg hais tias Atom indivisible?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Democritus tau hais tias cov khoom thiab cov khoom yog tsim los ntawm cov khoom loj ntawm cov khoom sib cais ntawm ntau yam. Tom qab ntawd Dalton nrhiav tau cov khoom uas peb hu ua "atoms" nws xav tias lawv yog dab tsi Democritus tau tham txog.
Tsis tas li ntawd, leej twg thawj hais tias atom indivisible?
Democritus
Kuj Paub, puas yog atoms indivisible? Txhua yam yog ua los ntawm atoms . Atoms yog sib cais thiab indestructible. Tag nrho atoms ntawm ib lub ntsiab yog zoo ib yam nyob rau hauv loj thiab cov khoom.
Tsuas yog li ntawd, leej twg hais tias Atoms yog indivisible thiab indestructible?
Dalton tus
Leej twg ua pov thawj tias atoms tsis yog indivisible?
370 BC, thiab atomic txoj kev xav tsim los ntawm tus kws tshawb fawb Askiv thiab kws qhia ntawv, John Dalton (1766 - 1844). Ib qho ntawm cov ntsiab lus ntawm Dalton's thiab Democritus ' atomic theories hais tias atoms yog sib cais . Thomson tus nrhiav pom ntawm cov electrons, uas yog subatomic hais, ua pov thawj tias atoms tsis yog indivisible.
Pom zoo:
Vim li cas peb thiaj li hais txog kev txwv tsis pub muaj kev hais tawm thiab thaum twg peb yuav hais cov kev txwv?
Peb hais txog kev txwv vim nws yuav ua rau qhov sib npaug tsis tau txhais hauv qee qhov txiaj ntsig ntawm x. Qhov kev txwv ntau tshaj plaws rau cov lus qhia muaj nuj nqis yog N / 0. Qhov no txhais tau tias txhua tus lej muab faib los ntawm xoom tsis tau txhais. Piv txwv li, rau txoj haujlwm f(x) = 6/x², thaum koj hloov x = 0, nws yuav ua rau 6/0 uas tsis tau txhais
Leej twg hais tias calla lilies tau tawg dua?
Hepburn Hais txog qhov no, ua li cas koj khaws calla lilies tawg? Cov nitrogen ntau dhau yuav txhawb cov nplooj kom loj hlob tab sis yuav tiv thaiv cov nroj tsuag paj tawg . Hloov koj cov chiv rau ib qho uas siab dua hauv phosphorus dua li nitrogen los ua calla lilies tawg .
Leej twg hais tias qee qhov khoom noj tau?
Ntau qhov chaw yog noj tau. " Qhov ntawd tej zaum yuav yog cov lus zoo tshaj plaws los ntawm leej txiv ntawm kev noj zaub mov niaj hnub, lig, zoo Euell Gibbons, uas tau hais cov lus no hauv Grape Nuts kev lag luam rov qab rau xyoo 1970
Leej twg hais tias lub zog tsis tuaj yeem tsim los yog rhuav tshem?
Teeb meem tsis yog tsim los sis puas tsuaj. Xyoo 1842, Julius Robert Mayer tau tshawb pom Txoj Cai Kev txuag hluav taws xob. Nyob rau hauv nws daim ntawv compact tshaj plaws, nws tam sim no hu ua Thawj Txoj Cai ntawm Thermodynamics: lub zog tsis yog tsim los yog rhuav tshem
Leej twg yog leej niam leej txiv pab txhawb cytoplasmic qub txeeg qub teg?
Nyob rau hauv cov ntaub ntawv ntawm cytoplasmic qub txeeg qub tes, cov teebmeem ntawm niam txiv. Qhov no feem ntau yog vim muaj kev koom tes ntau dua ntawm cytoplasm rau zygote los ntawm niam txiv poj niam dua li txiv neej niam txiv. Feem ntau ovum txhawb ntau cytoplasm rau zygote dua cov phev