Khan Academy on a Stick
Introducción al átomo
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Elementos y átomos
(ES)
ccHow elements relate to atoms. The basics of how protons, electrons and neutrons make up an atom.
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Introduction to the atom
(ES)
ccThe atom, proton, neutron and electron
Elementos y átomos
(ES)
How elements relate to atoms. The basics of how protons, electrons and neutrons make up an atom.
Introduction to the atom
(ES)
The atom, proton, neutron and electron