O-LevelChemistryAtomic Structure5070/11 · May/June 2012 · Q101 Mark

An atom, X, contains 16 protons. Which statement about X is correct?

AIt cannot form an ion.

BIt contains 6 electrons in the outer shell.

CIt contains 6 neutrons.

DIt has relative atomic mass of 16.

✓ Correct answer

B: It contains 6 electrons in the outer shell.

Oracle Prep sorts past-paper questions by topic, so you can drill Atomic Structure and see which topics are most likely to come up next.

Topic: Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2012 Paper 1 Variant 1, question 10.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

An element is in Period 3 and Group VII of the Periodic Table. Which statement about this element is correct?

An ion X⁺ has 23 nucleons and 10 electrons. What does the nucleus of X contain?

The diagram shows the structures of the atoms of elements L and M. The elements combine to form a compound. What is t…

From your knowledge of the manufacture of both aluminium and iron, what is the order of chemical reactivity of alumin…

Which compound will not produce ammonia when heated with ammonium sulfate?

These reactions are used in the manufacture of sulfuric acid. P S + O2 → SO2 Q 2SO2 + O2 ⇌ 2SO3 R SO3 + H2O → H2SO4 W…