Neutron tooj, sau ua N, hais txog rau tus naj npawb ntawm neutrons hauv lub nucleus ntawm ib lub atom. Kev sau ntawv,, feem ntau yog li cas cov hom nuclear no tau sau thiab,, txaus vim nws 'paub' tias O txhais tau tias oxygen, uas txhais tau tias 8 protons.
Koj pom tus lej neutron li cas?
txhawm rau nrhiav tus naj npawb ntawm neutrons, rho tawm tus lej ntawm cov protons ntawm tus lej. tus naj npawb ntawm neutrons=40−19=21.
pes tsawg neutrons hauv 80 35 BR?
Vim tus lej superscripted yog sib npaug rau SUM ntawm nuclear protons thiab neutrons, tus naj npawb ntawm neutrons sib npaug rau 80−Z=80−35=45 neutrons…… ….
Neutron puas yog tus lej saum lossis hauv qab?
Lub cim rau lub atom tuaj yeem sau los qhia nws cov lej loj nyob rau saum toj, thiab nws tus lej atomic hauv qab.
xov tooj ntawm subatomic particles
- number of protons=tus lej atomic.
- number of electrons=atomic tooj.
- number of neutrons=pawg naj npawb - atomic naj npawb.
Dab tsi yog qhov tsis muaj nqi?
Neutron , nruab nrab subatomic particle uas yog ib feem ntawm txhua atomic nucleus tsuas yog hydrogen zoo tib yam. Nws tsis muaj hluav taws xob thiab qhov seem seem sib npaug rau 1.67493 × 10 - 27 kg-marginally ntau dua li ntawm cov proton tab sis ze li 1,839 zaus ntau dua li ntawm cov electron.
