Dab tsi yog tus naj npawb ntawm protons hauv atom ntawm silicon nrog cov lej loj tshaj plaws?
Dab tsi yog tus naj npawb ntawm protons hauv atom ntawm silicon nrog cov lej loj tshaj plaws?

Video: Dab tsi yog tus naj npawb ntawm protons hauv atom ntawm silicon nrog cov lej loj tshaj plaws?

Video: Dab tsi yog tus naj npawb ntawm protons hauv atom ntawm silicon nrog cov lej loj tshaj plaws?
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Anonim

Piv txwv li, silicon muaj 14 protons thiab 14 neutrons . Nws tus lej atomic yog 14 thiab nws atomic loj yog 28 feem ntau Feem ntau cov isotope ntawm uranium muaj 92 protons thiab 146 neutrons . Nws tus lej atomic yog 92u atomic loj yog 238 (92 + 146).

2.1 Cov khoom siv hluav taws xob, Protons , Neutrons , thiab Atoms.

Element Hlau
Cim Fe
Tus lej ntawm Electrons hauv Txhua Plhaub Ua ntej 2
Thib ob 8
Peb 14

Hais txog qhov no, dab tsi yog qhov loj ntawm silicon?

28.0855 ua

Tsis tas li ntawd, dab tsi atoms muaj tib tus naj npawb ntawm protons? Isotopes yog cov atom ntawm tib yam keeb (tib tus naj npawb ntawm cov protons) uas muaj cov lej sib txawv ntawm cov neutrons hauv lawv cov atomic nuclei.

Qhov thib ob, lub caij twg muaj 4 protons thiab 2 electrons?

Atomic Number

Lub npe Protons Hluav taws xob
Helium 2 2
Lithium 3 3
Beryllium 4 4
Boron 5 5

Lub ntsiab lus twg muaj 4 protons thiab 4 neutrons?

beryllium

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