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NvidiaIntely (nvidiaintely):
In the following equation for the alpha decay of bismuth-214, supply the missing element that correctly completes the equation.
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NvidiaIntely (nvidiaintely):
IMAGE ATTACHED GOES HERE Au (gold) Tl (thallium) At (astatine) Fr (francium)
NvidiaIntely (nvidiaintely):
@Kevin @sweetburger @AAbomosalam1998 @aaronq @TheSmartOne @welshfella @calculusxy @Vuriffy
OpenStudy (kevin):
At (astatine)
NvidiaIntely (nvidiaintely):
Okay, and you @welshfella?
OpenStudy (welshfella):
an alpha particle contains 2 protons so the atomic number will decrease by 2 to 81. What element has an atomic number of 81? Chech the periodic table. iTS NOT ASTATINE.
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NvidiaIntely (nvidiaintely):
Tl (thallium)
NvidiaIntely (nvidiaintely):
Thanks welshfella!
OpenStudy (welshfella):
yes thallium is correct
OpenStudy (kevin):
@welshfella But if it's thalium, the mass number should be increase 10?
OpenStudy (welshfella):
No the mass number will be 4 less :- 210
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OpenStudy (kevin):
Owhh... Maybe I'm sleepy. lol Thx
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