Skip to content

Course home

2.1 Atomic structure

2.1 Atomic structure

Easy Medium Hard

1 2 3 4 5 6 7 8 9 10

Question 8

An ion of $27Al3+^{27}\text{Al}^{3+}$ is analyzed. Assuming the relative mass of both a proton and a neutron is exactly 1, and the relative mass of an electron is exactly $11840\displaystyle \frac{1}{1840}$ , what is the ratio of the mass of the nucleus to the total mass of the extranuclear electrons in this ion?

A

$2392$

B

$3822$

C

$4968$

D

$3105$

Markscheme

2.1 Atomic structure Questions

GCSE
Chemistry
2.1 Atomic structure

87 exam-style questions on Edexcel GCSE Chemistry 2.1 Atomic structure, covering 2.1.1 Development of the atomic model, 2.1.2 Structure of the atom and subatomic particles, 2.1.3 Mass number, isotopes and relative atomic mass, and 2.1.4 Calculating relative atomic mass from isotopic abundance. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank