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6.1 Atomic structure and isotopes

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Question 24

The table below shows information about four different nuclei.

Thorium-228	Protactinium-231	Uranium-232	Uranium-235
$90228Th{}^{228}_{90}\text{Th}$	$91231Pa{}^{231}_{91}\text{Pa}$	$92232U{}^{232}_{92}\text{U}$	$92235U{}^{235}_{92}\text{U}$

Which two nuclei have the same number of neutrons?

Thorium-228 and protactinium-231

Protactinium-231 and uranium-232

Uranium-232 and uranium-235

Thorium-228 and uranium-232

Markscheme

6.1 Atomic structure and isotopes Questions

GCSE
Physics
6.1 Atomic structure and isotopes

81 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes. Each one has a worked solution and a mark scheme showing where the marks go.

6.1 Atomic structure and isotopes

Question bank

6.1 Atomic structure and isotopes

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Question 24

The table below shows information about four different nuclei.

Thorium-228	Protactinium-231	Uranium-232	Uranium-235
$90228Th{}^{228}_{90}\text{Th}$	$91231Pa{}^{231}_{91}\text{Pa}$	$92232U{}^{232}_{92}\text{U}$	$92235U{}^{235}_{92}\text{U}$

Which two nuclei have the same number of neutrons?

Thorium-228 and protactinium-231

Protactinium-231 and uranium-232

Uranium-232 and uranium-235

Thorium-228 and uranium-232

Markscheme

6.1 Atomic structure and isotopes Questions

GCSE
Physics
6.1 Atomic structure and isotopes

81 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes. Each one has a worked solution and a mark scheme showing where the marks go.