IB Chemistry SL S2.1 The ionic model questions

Exam-style multiple choice and written questions with full markschemes. Check multiple choice answers straight away, or type, photograph or draw a written answer and get it marked.

Type
Multiple choiceWritten
Difficulty
EasyMediumHard

Question 1

Paper 2Medium6 marks

Aluminium oxide is a hard material used in abrasive surfaces. An aluminium atom has electron configuration 2,8,3, and an oxygen atom has electron configuration 2,6. In forming ions in this compound, each atom attains a full outer energy level.

(a)

Deduce the ion formed by an aluminium atom, stating the number of electrons transferred.

[2]
(b)

Deduce the ion formed by an oxygen atom, stating the number of electrons transferred.

[2]
(c)

Use your answers to (a) and (b) to determine the simplest formula of aluminium oxide. Show how the charges determine the ratio of ions.

[2]

The best questions are still waiting

Unlock every question in this topic, then type, photograph or draw your answer and have it marked against the markscheme. Find out where you are dropping marks.

Unlock all questionsCompare Student and Student Plus