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In the 3rd energy level, there can be a maximum of 4 electrons.

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14y ago

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How many electrons are required to completely fill the third energy level?

no. of electrons to fill an energy level = 2n2. = 2x32 = 18


How many electrons are in the outermost level of carbon how many electron does it need to have fill this energy level?

Carbon has four electrons in the outermost energy level, which is energy level two. It needs eight electrons to have this energy level filled.


How many electron are needed to fill the outer energy level of sulfur?

Sulfur has 6 electrons in its outer energy level. This means it needs 2 more electrons to fill its outer energy level, for a total of 8 electrons.


How many electrons are needed to fill up the first energy level?

The first energy level can take a maximum of two electrons.


How many electrons are needed to fill the second outer energy level?

8 electrons


How many electrons does it take to fill the first energy level one?

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How many electrons are needed to completely fill the 3rd energy level?

The third energy level can hold a maximum of 18 electrons.


A helium he atom has 2 electrons that are both in the outermost energy level how many more electrons does the atom need to fill its outermost energy level?

It is the most stable element in the universe and does not need anymore electrons. Its outermost energy level is full.


How many electrons does it take to fill the second energy level?

The second energy level can hold a maximum of 8 electrons. This level consists of one 2s orbital and three 2p orbitals, each capable of holding 2 electrons.


How many energy levels would electrons of hydrogen and helium fill?

Electrons of hydrogen fill up to two energy levels, while electrons of helium fill up to a total of two energy levels as well. Helium has an additional energy level compared to hydrogen because it has 2 electrons, filling up both the first and second energy level.


How many electrons are needed to fill the third main energy level if it already contains 8?

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How many electrons are needed to fill first and second energy level?

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