Dab tsi yog lub cim atomic rau ib lub atom nrog 82 protons thiab 125 neutrons?
Dab tsi yog lub cim atomic rau ib lub atom nrog 82 protons thiab 125 neutrons?

Video: Dab tsi yog lub cim atomic rau ib lub atom nrog 82 protons thiab 125 neutrons?

Video: Dab tsi yog lub cim atomic rau ib lub atom nrog 82 protons thiab 125 neutrons?
Video: Mam saib koj ua neej # 2. 10/14/2017 2024, Kaum ib hlis
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Kev piav qhia: Lub isotope ntawm lub caij X yog muab los ntawm AZX, qhov twg Z yog tus lej proton ntawm lub caij thiab A yog tus lej ntawm lub caij. Tus lej ntawm cov isotope no yuav yog 82 + 125 = 207 units, thaum nws muaj 82 protons. Saib ntawm lub rooj zaum, lub ntsiab lus 82 yog txhuas, thiab nws cov cim yog Pb.

Hais txog qhov no, dab tsi yog lub cim isotope rau atoms uas muaj 2 protons thiab 1 neutron?

Kev piav qhia: Helium-3 muaj 2 protons thiab 1 neutron.

Tsis tas li ntawd, lub caij twg muaj 86 electrons 125 neutrons thiab 82 protons them atom?

Lub npe Coj
Atomic Mass 207.2 atomic mass units
Tus naj npawb ntawm Protons 82
Tus naj npawb ntawm Neutrons 125
Tus naj npawb ntawm Electrons 82

Ib yam li ntawd, tib neeg nug, dab tsi yog cov tshuaj formula rau ib lub atom nrog 58 protons thiab 82 neutrons suav nrog cov lej loj thiab tus lej atomic?

Cerium-140 muaj 58 protons thiab 82 neutrons thiab ruaj khov. Cerium-142 muaj 58 proton ua thiab 84 neutrons thiab yog radioactive.

Lub ntsiab lus twg muaj 80 protons thiab 119 neutrons?

Tshuaj Cov ntsiab lus .com - Mercury (Hg)

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