9701/12 Chemistry Feb Mar 2023 Online Test | Cambridge AS and A Level MCQ
CIE
AS & A Level
Chemistry (9701)
خرداد
2023
مشاهده نمونه سوال
شامل مباحث:
7.1 Chemical equilibria: reversible reactions‚ dynamic equilibrium
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
75 دقیقه

پیش نمایش صفحه اول فایل
Oxygen has three stable isotopes, $^{16}$O, $^{17}$O and $^{18}$O. All three isotopes are present in a sample of oxygen gas, O$_2$, which was analysed using a mass spectrometer.
How many peaks associated with the O$^+_2$ ion would be expected?