What is the approximate radius of an atom?
About 1×10−101\times10^{-10}1×10−10 m, or 0.10.10.1 nm.
Relative mass compares particles on a scale where a proton and neutron each have mass 1.
The nucleus radius is approximately 1×10−141\times10^{-14}1×10−14 m.
The nucleus is at the centre of the atom.
Flashcards for AQA GCSE Chemistry 1.1.5 Size and mass of atoms, covering the key terms, definitions and equations you need to recall for Paper 1 and Paper 2. 21 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.
