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1.1.6 Relative atomic mass

What does the atomic number tell you about an element?

A

The number of protons.

B
Ar=∑(isotope mass×abundance)100 A_r = \frac{\sum(\text{isotope mass} \times \text{abundance})}{\boxed{100}} Ar​=100​∑(isotope mass×abundance)​
C

They are averages of isotopes with different masses.

D

The total number of protons and neutrons.

1.1.6 Relative atomic mass Flashcards

  1. GCSE
  2. /Chemistry
  3. /1.1.6 Relative atomic mass

Flashcards for AQA GCSE Chemistry 1.1.6 Relative atomic mass, covering the key terms, definitions and equations you need to recall for Paper 1 and Paper 2. 20 cards, matched to the AQA GCSE Chemistry (8462) specification. Recall questions account for roughly 40% of marks at GCSE Chemistry, so these target the marks you can secure before the paper starts.

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