CourseCourseConceptConceptDocumentDocument

CAIE A-Level Chemistry AS 1.1.6 Determine the Numbers of Protons Neutrons Questions

Practise determining proton, neutron and electron numbers from atomic number, nucleon number, isotope notation and ionic charge.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • Determine the numbers of protons, neutrons and electrons in atoms and ions from nuclide and charge information.

CAIE A-Level Chemistry AS 1.1.6 Determine the Numbers of Protons Neutrons Questions question 1

[Maximum number: 1]

Which statement about 53131I{ }_{53}^{131} \mathrm{I} is correct?

A

A negative ion of 53131I{ }_{53}^{131} \mathrm{I} contains 53 neutrons and 52 electrons.

B

A negative ion of 53131I{ }_{53}^{131} \mathrm{I} contains 53 neutrons and 54 electrons.

C

A negative ion of 53131I{ }_{53}^{131} \mathrm{I} contains 78 neutrons and 52 electrons.

D

A negative ion of 53131I{ }_{53}^{131} \mathrm{I} contains 78 neutrons and 54 electrons.

All question bank results loaded