Electron Shells Flashcards by abby y

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Electrons always occupy what?

Energy levels

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Name two facts about the lowest energy levels

They are the closest to the nucleus and are always filled first

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What are the maximum amount of electrons allowed in each shell?

1st: 2 2nd: 8 3rd: 8

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Why do most atoms want to react?

Because their outer shell is not full and this makes them want to fill it

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How many electrons does Hydrogen have?

One

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Electron Shells Flashcards

(5 cards)