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by the quantum number n.

if n=1 energy level is at 1

if n=2 energy level is 2 for example 2s1

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Q: The main energy level of an atom are indicated by the?
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Related questions

What indicates the s sublevel in the third main energy level?

The s sublevel in the third main energy level is indicated by 3s.


Which quantum number is indicated by the main energy levels of an atom?

the first one because it is closer to the nucleus. :)


How many electrons does fluorine atom have in its outermost unexcited main energy level?

Fluorine has 7 valence electrons.


Valence electrons are those?

Valence electrons are those that exist in the highest main energy level in the last shell of an atom.


Why a stairway is a good model for the energy levels in a atom?

A stairway is a good model for the energy levels in an atom because there is a 'main floor' ( the nucleus ) and steps ( the energy levels ). The nucleus is the start of the stairway of the energy levels, and the other energy levels go off of the nucleus. The first energy level can hold 2 electrons, the second energy level can hold 8. The third energy level can hold 18, and the fourth energy level can hold 32 electrons. In order for an element to be as stable as a noble gas, the outermost energy level has to be full, so sometimes an atom will gain or lose electrons to fill it's outer energy level. Other times it might share electrons with other atoms, so that they don't have to gain or lose a lot of electrons. An example of this would be H2O ( water ). There is one oxygen atom with two hydrogen atoms connected to it, and sharing their electrons with each other.


What is the term for an electron energy level that results from splitting a main energy level?

energy sublevel


Why is it significant that valence electrons are located in the outermost energy level of an atom?

The valence electrons are the electrons that undergo chemical bonding in the main group or representative elements.


The electron-containing main energy level with the highest principal quantum number is the atom's?

highest occupied levelread the book, it is in bold and extremely easy to find.


What is the main energy level that can hold only two electrons?

first energy level.


Define main energy levels and quantum numbers?

The main energy levels are also known as the electron shells of an atom. An electron is permitted to be around an atom.


Describe Why a stairway is a good model for energy levels in an atom?

A stairway is a good model for the energy levels in an atom because there is a 'main floor' ( the nucleus ) and steps ( the energy levels ). The nucleus is the start of the stairway of the energy levels, and the other energy levels go off of the nucleus. The first energy level can hold 2 electrons, the second energy level can hold 8. The third energy level can hold 18, and the fourth energy level can hold 32 electrons. In order for an element to be as stable as a noble gas, the outermost energy level has to be full, so sometimes an atom will gain or lose electrons to fill it's outer energy level. Other times it might share electrons with other atoms, so that they don't have to gain or lose a lot of electrons. An example of this would be H2O ( water ). There is one oxygen atom with two hydrogen atoms connected to it, and sharing their electrons with each other.


If the s and p orbitals of the highest main energy level of an atom are filled with electrons then what does the atom have?

If the S orbital has two electrons and the P orbital has six you go on to the D orbital. Electron energy levels follow this format: 1s2 2s2 2p6 3s2 3p6 4s2 4p6 4d10 and so on