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How many electrons are needed to fill up the first energy level?
The first energy level can take a maximum of two electrons.
Do electrons fill the lowest energy level first?
obviously
How many electrons are required to completely fill the third energy level?
no. of electrons to fill an energy level = 2n2. = 2x32 = 18
Why do electrons start filling the 1st energy level of an atom before the 2nd?
Electrons fill the 1st energy level first because it has the lowest energy and is closest to the nucleus. Electrons are attracted to the positively charged nucleus and fill the energy levels in order of increasing distance from the nucleus.
How many electrons are needed to fill first and second energy level?
The first energy level can hold a maximum of 2 electrons, filling the 1s orbital. The second energy level can hold a maximum of 8 electrons, filling the 2s and 2p orbitals.
Why is the 11th electron of the sodium atom located in the third energy level?
Each energy level can hold different number of electrons. The first energy level holds 2, second holds 8, and third holds 8. Because the first two energy levels of sodium can only hold 10 electrons, the sodium has a third energy level to hold the 11th electron.
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 fill the 3rd energy level?
In the 3rd energy level, there can be a maximum of 4 electrons.
How can atoms with fewer than 8 valence electrons fill their outmost energy level?
They ca fill their outmost energy level by gaining or losing electrons.
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 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 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.
