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What do the energy shells of an atom contain?

In: Chemistry [Edit categories]

Answer:

they contain electrons, which are negatively charged and revolve at high speed around the nucleus of an atom.

the first shell (the one nearest to the nucleus) can hold a maximum of 2 electrons.

the second shell can hold a maximun of 8 electrons. If there any remaining electrons they will go on the third shell.

the third shell can hold a maximum of 18 electrons.

the shells closest to the nucleus (inner shells) must contain their maximum number of electrons before attempting to fill the energy levels to a higher energy.

First answer by ID3498712250. Last edit by ID3498712250. Question popularity: 1 [recommend question].

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