Electronic configuration Flashcards by vel ily

Q

Electron shells

A

The electrons are arranged in certain positions around the nucleus. There are 4 shells (rings) surrounding the nucleus.

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Q

How many electrons does the 1st shell contain?

A

2 electrons.

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Q

How many electrons does the 2nd and 3rd shell contain?

A

8 electrons.

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Q

How many electrons does the 4th shell contain?

A

2 electrons.

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