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18 electrons (maximum).

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How many of atoms are in the 3rd shell of an atom with 4 shells?

If you are asking about the number of electrons then it would be 8. The first shell can hold a maximum number of 2 electrons. The second and third shell would have a maximum of 8 electrons each.


How many electrons are found on the third shell of helium?

the number of electrons found in the third shell of an helium atom are nill because its atomic number is 2


How many electron shells would at atom have if it had 16 electrons?

An atom with 16 electrons would have 3 electron shells. The first shell can hold up to 2 electrons, the second shell can hold up to 8 electrons, and the third shell can hold up to 8 electrons.


How many electrons are there in the third noble gas shell of sodium atom Na atomic number 11?

The sodium atom (Na) has 11 electrons. The electron configuration of sodium is 2-8-1. The third noble gas shell is the second energy level or shell, which can hold a maximum of 8 electrons. Therefore, the number of electrons in the third noble gas shell of sodium is 1.


How many electrons are present in the outer shell of an atom with an atomic number of 14 and an atomic weight of 29?

Atomic number is the number of protons. In a neutral atom, the number of protons is equal to the number of electrons. So, in your example, the number of electrons in this atom is 14. The first energy shell can take 2 electrons, the second energy shell can take 8 electrons, and the third energy shell can take 18 electrons. If there are 14 total electrons, 10 would be found in the first two energy shells, leaving 4 for the third energy shell.

Related Questions

How many electrons can fit in the third shell of an atom?

The third shell of an atom can hold a maximum of 18 electrons. The first shell can hold up to 2 electrons, the second shell up to 8 electrons, and the third shell up to 18 electrons based on the formula 2n^2, where n is the shell number.


How many electrons can the 3rd atom shell hold?

The third electron shell can hold a maximum of 18 electrons.


What is the Electron shell arrangement of a Silicon Atom?

what is the arrangement of electrons in an atom of a silicon


How many of atoms are in the 3rd shell of an atom with 4 shells?

If you are asking about the number of electrons then it would be 8. The first shell can hold a maximum number of 2 electrons. The second and third shell would have a maximum of 8 electrons each.


How many electrons are found on the third shell of helium?

the number of electrons found in the third shell of an helium atom are nill because its atomic number is 2


How many electrons can the second shell of an atom hold?

First Shell always has 2 electrons. Second shell onwards can have up to a maximum of 8 electrons.


An atom of chlorine has several valence electrons in its what A nucleus Bfirst shell C second shell D third shell?

Third Shell


Is an atom stable if it has two electrons in the third shell?

No - it would want to lose these two electrons


How many inner shell electrons in chlorine?

There are 3 shells total in the atom of Chlorine. The first shell has 2 electrons because the first shell of any atom can only hold up to a maximum of 2 electrons. The second shell holds 8 electrons because the second shell of any atom can only hold 8 electrons maximum. The third shell holds 7 electrons in the Chlorine atom, but the third shell of any atom can hold up to 18 electrons as a maximum.


How many electrons are in the third ring of an atom?

The third electron shell can hold a maximum of 18 electrons. However, the number of electrons actually present in the third shell depends on the specific element and its atomic number.


How many inner shell electrons do selenium atom have?

A selenium atom has 36 inner shell electrons. This includes electrons in the first (2 electrons) and second (8 electrons) energy levels, as well as 18 electrons in the third energy level.


How many electrons can go in the first second and third shell of an atom?

The first shell can hold a maximum of 2 electrons, the second shell can hold up to 8 while the third shell can also hold a maximum of 8.