Paper 1 October/November 2011 CHEMISTRY (9701/11) IGCSE
Cambridge
AS & A Level
Chemistry (9701)
بهمن
2011
شامل مباحث:
تعداد سوالات: 30
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
There are two naturally occuring isotopes of bromine. One isotope has 44 neutrons. The other isotope has 46 neutrons.
Ignoring fragments, how many peaks are there in the mass spectrum of tribromomethane, ${}^{12}{C^1}HB{r_3}$?