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18 electrons

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Q: How many electrons does it take to fill up the third shell?
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Related questions

How many electrons does sulfur have in its third electron shell?

Sulfur has six electrons in its third electron shell.


How many electrons are required to fill the first shell?

The number of electrons in a shell is 2n2, where n=shell number. So for the first shell, there is a maximum of 2 electrons.


How many electrons would be needed to fill its outer shell for carbon?

4 to fill the 2p shell


How many electrons are needed to fill up carbons outer shell?

4 to fill the 2p shell


How many electrons are needed to fill carbon outer shell?

Carbon has four valence electrons, so it will need four more electrons to fill its outer shell.


How many electrons does nitrogen require to fill its outer shell?

Its atomic number is 7, and so it needs a further 3 electrons to fill its outer shell.


How many electrons fill the second ring of neon?

There 8 electrons in the second shell.


How many electrons are in each of the first two shells if an atom contains eight electrons?

The first shell can have 2 electrons, the second shell has 8 electrons and the third shell has 8 electron also. No matter what, electron fill up the first shell and then move into the next shell and then the next one. To answer the question, the first shell would have 2 electron and then the second shell would have six.


How many valence electrons will beryllium gain or lose to fill its outer shell?

Beryllium will lose 2 electrons to satisfy the octet rule (to fill its outer shell).


How many number of electrons to fill the outer shell of carbon?

Carbon has four valence electrons, so it will need four more electrons to fill its outer shell.


How many electrons are needed to fill the first three electron shells?

6 electrons From the inside out, two, eight and eight.


How many electrons are needed to fill the outer shell of an atom?

8