Paper 1 May/June 2017 CHEMISTRY (9701/12) IGCSE
CIE
AS & A Level
Chemistry (9701)
شهریور
2017
شامل مباحث:
تعداد سوالات: 45
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه

پیش نمایش صفحه اول فایل
Element X has the second largest atomic radius in its period. An atom of X has three occupied electron shells only.
The oxide of X is shaken with water.
What could be the pH of the resulting solution?