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

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Kasandra Hegmann

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

The quantum number relating to the size and energy of an orbital


The main energy level of an atom are indicated by the?

by the quantum number n. if n=1 energy level is at 1 if n=2 energy level is 2 for example 2s1


What do the quantum number of electrons represent?

The energy levels and orbitals the electrons are in


What is the number of the principal energy level in which of the valence electrons are found?

the inner energy level of an atom has a maximum # of


How is an orbital principal quantum number related to the atoms major energy levels?

The principal quantum number describes the size of the orbital. Because they have opposite electrical charges, electrons MORE.


What does the period number tell about the energy levels ocupied by electrons in an atom?

The period number tell about the energy levels occupied by electrons


What is the number of electrons at energy levels in chloride atom?

Chloride is an ion, not an atom. It has 18 electrons which are 2, 8, 8 in the first three quantum levels respectively.


The number of sublevels in an energy level is equal to the square of the principal quantum number of that energy level?

The quantum number for that energy level.


The divisions within a principal energy level are called?

Sub shells or sub energy levels, s,p,d,f , they are represented by Azimuthal quantum number 'l'.


Names and symbols of the four quantum numbers required to define the energy of electrons in atoms?

These are: principal quantum number (n), azimutal quantum number (ł), magnetic quantum number (m), spin quantum number (sd).


What were the clue to scientists to discover quantum number?

Discrete energy levels (eigenvalues) in atoms (noticed by experiments in spectroscopy) could not be explained by Newtonian Mechanics. Also, the wave-like nature of electrons (eg: diffraction) indicated the first signs of wave-particle duality. These were the first clues.


Does boron have 3 energy levels?

Sort of but not exactly.A neutral isolated atom of boron has, nominally, three occupied electronic energy levels (1s, 2s, and 2p).However, it has an infinite number of unoccupied energy levels (as do all atoms).Also, in compounds, there's a strong tendency for the 2s and 2p orbitals to "hybridize", forming sp, sp2, or sp3 orbitals, each of which has its own characteristic energy level.Boron does not have three energy levels. If you know the element's principle quantum number, then you can find how many electrons can fit in an atom of a specific element. In this case, Boron can only store 2p1/2 (p is the principle quantum number) electrons. This is getting too complex, and isn't required for you to know as of this exact moment. The answer is that Boron only has two energy levels.