Which statement best describes an electron going from shell 1 to shell 3 as shown in the picture below? 1. The electron is changing into a neutron
2. The electron is moving from one atom to another atom
3. The electron is moving from an excited state to its ground state
4. The electron is moving from its ground state to an excited state

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i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl