Video: Muaj pes tsawg neutrons nyob rau hauv ib lub atom ntawm RA 288?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lub nucleus muaj 88 protons (liab) thiab 138 neutrons (txiv kab ntxwv).
Hauv qhov no, pes tsawg neutrons nyob hauv ib lub atom ntawm RA 288?
| Lub npe | Radium |
|---|---|
| Tus naj npawb ntawm Protons | 88 |
| Tus naj npawb ntawm Neutrons | 138 |
| Tus naj npawb ntawm Electrons | 88 |
| Melting Point | 700.0 ° C |
Kuj Paub, pes tsawg neutrons nyob rau hauv lub nucleus ntawm lub isotope RA 224? 136 neutron ib
Tsis tas li ntawd, koj yuav nrhiav tau cov neutrons li cas?
Nco ntsoov tias lub nucleus ntawm ib lub atom yog tsim los ntawm protons thiab neutrons . Thiab cov tus lej ntawm cov khoom uas muaj nyob rau hauv lub nucleus yog hu ua loj tus lej (tseem hu ua atomic mass). Yog li, los txiav txim qhov tus naj npawb ntawm neutrons Hauv atom, peb tsuas yog yuav tsum tau rho tawm tus naj npawb ntawm protons los ntawm pawg tus lej.
Muaj pes tsawg protons thiab neutrons nyob rau hauv ib lub atom ntawm RN 222?
Piv txwv li, tag nrho cov radon isotopes muaj 86 proton ua (Z = 86 ), tab sis radon-222 muaj 136 neutrons ( 86 + 136 = 222), hos radon-220 tsuas muaj 134 neutrons ( 86 + 134 = 220). Cov cim tshuaj lom neeg rau radon yog Rn, thiab cov lej loj feem ntau yog muab tso rau tom qab lub cim (Rn-222) lossis sab laug thiab saum toj no (222Rn).
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