Tus naj npawb ntawm protons hauv tooj liab yog dab tsi?
Tus naj npawb ntawm protons hauv tooj liab yog dab tsi?

Video: Tus naj npawb ntawm protons hauv tooj liab yog dab tsi?

Video: Tus naj npawb ntawm protons hauv tooj liab yog dab tsi?
Video: Lis Yaj Pov - Ntawm Tus Neeg Muaj Poj Niam : full version 2024, Hlis ntuj nqeg
Anonim

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Tsis tas li ntawd, muaj pes tsawg protons neutrons thiab electrons muaj tooj liab?

Tooj liab muaj tus lej atomic ntawm 29 , yog li nws muaj 29 proton thiab 29 electrons. Qhov hnyav atomic (tej zaum hu ua atomic mass) ntawm ib lub atom yog kwv yees los ntawm cov lej ntawm cov protons thiab cov naj npawb ntawm cov neutrons hauv lub nucleus ntawm lub atom.

Dab tsi yog qhov particle suav ntawm protons rau isotope Cu 64? Tooj , piv txwv li, muaj ob isotopes , tooj liab -63 thiab tooj liab -65. Tooj -63: 29 ib protons thiab ib pawg tus lej ntawm 63. Tooj -65: 29: kuv protons thiab pawg tus lej 65. Helium muaj 2 protons thiab yuav luag ib txwm muaj ib pawg tus lej ntawm 4.

Ib yam li ntawd, nws nug, tus naj npawb ntawm tooj liab yog dab tsi?

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Dab tsi yog electron ntawm tooj liab?

Zoo, ua ntej, Tooj muaj 29 electrons thiab 29 protons, thiab nyob rau hauv qhov nws muaj ob isotopes. Hluav taws xob rau Qib Zog: 2, 8, 18, 1.

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