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Edexcel Chemistry GCSE - Atomic Structure Questions

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Edexcel Chemistry GCSE - Atomic Structure Questions

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Questions and Answers

What is the relative atomic mass of titanium in the given sample?

48.5

50.2

47.8 (correct)

45.0

How many isotopes of magnesium exist based on the information provided?

Two

Three (correct)

Five

Four

What are the differences between one atom of each of the magnesium isotopes, based on the numbers of subatomic particles?

Different number of neutrons (correct)

Different number of protons

Different atomic number

Different number of electrons

By referring to the numbers of subatomic particles, explain what is meant by the term isotopes.

Atoms with different mass numbers Signup and view all the answers

How many protons do all atoms of element E in the sample contain?

5 protons Signup and view all the answers

In a sample of element E, which isotope has a mass number of 10?

$^{10}_{5}E$ Signup and view all the answers

In a sample of element E, which isotope has a mass number of 11?

$^{11}_{5}E$ Signup and view all the answers

Study Notes

Isotopes and Atomic Mass

The relative atomic mass of titanium is not provided in the given sample.
There are multiple isotopes of magnesium, with the exact number not specified.
The differences between one atom of each of the magnesium isotopes lie in the number of subatomic particles, specifically neutrons.
Isotopes are atoms of the same element that have the same number of protons (atomic number) but differ in the number of neutrons, resulting in different mass numbers.
All atoms of element E in the sample contain the same number of protons, which is not specified.
The isotope of element E with a mass number of 10 is not specified by its atomic number or number of neutrons.
The isotope of element E with a mass number of 11 is not specified by its atomic number or number of neutrons.

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Description

Test your knowledge of atomic structure with these questions from PhysicsAndMathsTutor.com. Calculate relative atomic mass, determine isotope abundance, and solve problems related to atomic number and isotopes.