Physics A-Level
Atomic and nuclear dimensions
What Atomic and nuclear dimensions means in Physics A-Level, as defined for OCR.
Definition of Atomic and nuclear dimensions
Check what you remember
Read the wording for your board, then hide it and explain Atomic and nuclear dimensions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The ratio of atomic diameter to nuclear diameter is about 10⁵, meaning the atom is roughly one hundred thousand times wider than its nucleus.
Topics that use Atomic and nuclear dimensions
- The nuclear atom (OCR A-Level)
Related terms
- Atomic and nuclear density
- Atomic structure
- Charge and neutrality
- Evidence from scattering
- Force-separation relationship
- Isotopes
- Nuclear notation
- Nuclear radius
Using Atomic and nuclear dimensions in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge