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An atom with 10 electrons must have how many shells?

An atom with 10 electrons will have 2 electron shells. The first shell can hold up to 2 electrons, and the second shell can hold up to 8 electrons.


How many shells in sodium?

the sodium atom has 3 shells where 2 electrons are in the first shell, 8 in the second and 1 in the third shell; which isn't stable..... and its symbol is Na :)


How many atomic shells does sodium have?

the sodium atom has 3 shells where 2 electrons are in the first shell, 8 in the second and 1 in the third shell; which isn't stable..... and its symbol is Na :)


How many number of electron shells does fluorine atom have?

A fluorine atom has 2 electron shells. The first shell can hold up to 2 electrons, and the second shell can hold up to 8 electrons, giving a total of 10 electrons for a fluorine atom.


How many valence shells does an atom has?

The valence shell is the outermost shell...and an atom can only have one outer shell.


How many sub-shell are there in second shell?

The second shell of an atom has two sub-shells: the 2s and 2p sub-shells. The 2s sub-shell can hold a maximum of 2 electrons, while the 2p sub-shell can hold a maximum of 6 electrons, allowing the second shell to accommodate a total of 8 electrons.


How many shells does magnesium atom have?

A magnesium atom has 12 electrons arranged in 3 shells. The electron configuration of magnesium is 2-8-2, indicating that it has 2 electrons in the first shell, 8 in the second shell, and 2 in the third shell.


How many electron shells are around the nucleus of the berylluim atom?

There are 2 electron shells around the nucleus of a beryllium atom. The first shell can hold a maximum of 2 electrons, and the second shell can hold a maximum of 8 electrons. Since beryllium has 4 electrons, 2 electrons will be in the first shell and the remaining 2 electrons will be in the second shell.


How many electron shells are in the innermost shell of an atom?

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 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 shells are there in selenium atom?

A selenium atom typically contains 34 electrons distributed in different shells around the nucleus. The electrons are arranged in energy levels or shells, with the first shell holding a maximum of 2 electrons, the second shell holding up to 8 electrons, the third shell holding up to 18 electrons, and the fourth shell holding up to 6 electrons for selenium.