Isotopes and Relative Atomic Mass

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Isotope: Atoms of the same element with different numbers of neutrons.
Relative Atomic Mass: average mass of all the isotopes of an element.
Relative abundance: how much there is of each isotope compared to the total amount of the element in the world.
Calculate relative atomic mass:
Multiply the mass of each isotope by its relative abundance
Add together
Divide by the sum of the relative abundances

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Isotopes and Relative Atomic Mass

Cards (4)

1.6 Relative atomic mass

1.6 Relative atomic mass

WJEC GCSE Chemistry

C1.2.2 Isotopes

CCEA GCSE Chemistry

4.1.2 Atomic Number and Mass Number

4.1.2 Atomic Number and Mass Number

GCSE Chemistry

Topic 6: Organic Chemistry I

Topic 5: Separate Chemistry 1

Edexcel GCSE Chemistry

AQA GCSE Chemistry

OCR GCSE Chemistry

1.1.2 Isotopes

Topic 1: Key Concepts in Chemistry

1.1.2 Isotopes

1.5 Size and mass of atoms

1.4 Relative electrical charges of subatomic particles

1.2.2 Isotopes

Topic 9: Separate Chemistry 2

1. Atomic structure and the periodic table