LEARN IT 4: Atomic structure


GCSE Physics Flashcards on LEARN IT 4: Atomic structure, created by Isleworth Physics on 21/05/2018.
Isleworth Physics
Flashcards by Isleworth Physics, updated more than 1 year ago
Isleworth Physics
Created by Isleworth Physics about 6 years ago

Resource summary

Question Answer
What is the radius of an atom?
How does the radius of the nucleus compare to the radius of the whole atom?
Describe simply the structure of the atom (the current model)
Compare the proton, neutron and electron
What does the mass number mean?
What does the atomic number mean?
An atom of sodium (Na) has 11 protons and 12 neutrons. What is the symbol for this atom? How many electrons does the atom have?
What happens if an atom loses one or more outer electrons?
An atom has no overall charge – what does this mean?
Define what isotopes are
Describe how electrons are arranged in the atom
How can an electron move to a shell closer, or further away from the nucleus?
What causes a new scientific model to be change or replaced?
Who suggested the Plum Pudding model of the atom?
Describe the plum pudding model
State the results of the alpha scattering experiment
What were the names of the scientists carrying out the alpha scattering experiment?
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