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Why does the atomic number identify an element?
A
Neutrons change its mass but not its chemistry.
B
It is the element's number of protons, which never changes for that element.
C
Relative atomic mass is a weighted mean of isotope masses. The calculation multiplies each isotope mass by its abundance and divides the total by 100.
D
They have the same number of protons but different numbers of neutrons.
Card 1 of 20
1.1.6 Relative atomic mass Flashcards
20 flashcards on AQA GCSE Chemistry 1.1.6 Relative atomic mass: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2.