Isotopes feem ntau: Br-79 (50.7 feem pua ntawm ntuj abundance), Br-81 (49.3 feem pua ntawm ntuj abundance.
Koj paub li cas cov isotope muaj ntau dua?
Txhawm rau txiav txim siab ntau tshaj plaws isotopic daim ntawv ntawm ib lub caij, piv cov isotopes rau qhov hnyav nruab nrab ntawm lub rooj zaumPiv txwv li, peb lub isotopes hydrogen (pom saum toj no) yog H. -1, H-2, thiab H-3. Lub atomic loj lossis qhov hnyav nruab nrab ntawm hydrogen yog nyob ib ncig ntawm 1.008 amu (saib dua ntawm lub rooj zaum).
Qhov twg muaj ntau dua hauv ntiaj teb cov pob zeb bromine-79 lossis bromine 80?
Qhov nruab nrab atomic mass yog 79.904, uas txhais tau tias muaj ntau dua Bromine - 80 atoms dua Bromine - 79 atoms Txij li 79.904 yog ze dua rau 80.
Qhov twg ntau dua bromine-79 lossis bromine 81?
Teeb meem: Lub ntsiab lus bromine muaj atomic hnyav ntawm 79.9 thiab muaj ob lub isotopes ruaj khov bromine-79 thiab bromine-81. Cov isotope bromine-79 muaj qhov loj ntawm 78.9 amu thiab ib feem pua ntawm ntuj abundance ntawm 50.5%. Cov isotope bromine-81muaj ib feem pua ntawm cov khoom muaj nqis ntawm 49.5%.
Qhov twg ntawm ob isotopes ntawm bromine muaj ntau dua?
Bromine muaj ob qhov tshwm sim ib txwm muaj isotopes (Br-79 thiab Br-81) thiab atomic mass ntawm 79.904 amu. Qhov loj ntawm Br-81 yog 80.9163 amu, thiab nws qhov kev nplua nuj yog 49.31%.
