What the principal of quantum number?

1 Answer

Answer :

The principal quantum number (n) is the energy level occupied bythe electron. It is an integer value, 1,2,3,4, etc.

Related questions

Description : If the value of principal quantum number is 4 , the possible values for magnetic quantum number will be :-

Last Answer : If the value of principal quantum number is 4 , the possible values for magnetic quantum number will be :- A. 4 B. 16 C. 32 D. 9

Description : Suppose in certine condition only those transition are allowed to hydrogen atoms in which the principal quantum number a changes by`2` (a) Find the sm

Last Answer : Suppose in certine condition only those transition are allowed to hydrogen atoms in which the principal quantum ... visible range `(380 nm to 780 nm)`

Description : What does the principal quantum number ‘n’ and azimuthal quantum number ‘l’ of an electron belonging to an atom represent?

Last Answer : What does the principal quantum number ‘n’ and azimuthal quantum number ‘l’ of an electron belonging to an atom represent?

Description : What element with an electron configuration that ends with np2 where n is any principal quantum number?

Last Answer : Feel Free to Answer

Description : The maximum electron capacity of any orbital is (a) 2 (b) 6 (c) 14 (d) Cannot be determined unless the principal quantum number is known

Last Answer : Ans:(a)

Description : The orientation of an atomic orbital is governed by – (1) principal quantum number (2) magnetic quantum number (3) spin quantum number (4) azimuthal quantum number

Last Answer : (2) magnetic quantum number Explanation: Quantum numbers may be defined as a set of four numbers which give complete information about the electron in an atom, i.e., energy, orbital occupied, size ... tells the number of orientations which the orbitals present within the same sub-shell can take up.

Description : Two electrons in an orbital are differentiated by which of the following? (1) Magnetic quantum number (2) Spin quantum number (3) Principal quantum number (4) Azimuthal quantum number

Last Answer : (2) Spin quantum number Explanation: Spin quantum number is the is the fourth quantum number that differentiates two electrons in the same orbital. The Pauli exclusion principle states that "no two ... atom. Each electron must have a different spin or occupy a different shell from any other.

Description : Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be - (1) 2 (2) 6 (3) 5 (4) 3

Last Answer : (2) 6 Explanation: Number of spectral lines from a state n to ground state is = n (n-1)/2 =4(4-1)/2 =12/2 =6

Description : Two electrons in an orbital are differentiated by which of the following? (1) Magnetic quantum number (2) Spin quantum number (3) Principal quantum number (4) Azimuthal quantum number

Last Answer : (2) Spin quantum number Explanation: Spin quantum number is the fourth quantum number that differentiates two electrons in the same orbital.

Description : Which of the following indicates the shape of the orbital in which the electron moves? w) principal quantum number x) spin quantum number y) angular momentum quantum number z) none of these

Last Answer : ANSWER: Y -- ANGULAR MOMENTUM QUANTUM NUMBER

Description : Two electrons in an orbital are differentiated by which of the following ? (1) Magnetic quantum number (2) Spin quantum number (3) Principal quantum number (4) Azimuthal quantum number

Last Answer : Spin quantum number

Description : The orientation of an atomic orbital is governed by (1) principal quantum number (2) magnetic quantum number (3) spin quantum number (4) azimuthal quantum number

Last Answer : magnetic quantum number

Description : Regarding the atom of a chemical element, magnetic quantum number refers? -Do You Know?

Last Answer : answer:

Description : Which quantum number gives the shape of the orbital?

Last Answer : Answer: Azimuthal quantum number.

Description : What is Quantum Number ?

Last Answer : Quantum numbers are numbers that express the size , shape , variation of the energy level arrangement of the electrons in the atom and the direction of rotation around its axis.

Description : An electron is present in 4 f sub - shell . The possible values of azimuthal quantum number for this electron are :-

Last Answer : An electron is present in 4 f sub - shell . The possible values of azimuthal quantum number for this electron are :- A. ... 3 B. 1 ,2, 3, 4 C. 3 D. 4

Description : For principle quantum number `n = 4`, the total number of orbitals having `l =3` is

Last Answer : For principle quantum number `n = 4`, the total number of orbitals having `l =3` is A. 3 B. 7 C. 5 D. 9

Description : In how many elements does the electron have the quantum number of n =4 and l = 1 ?

Last Answer : In how many elements does the electron have the quantum number of n =4 and l = 1 ? A. 4 B. 6 C. 8 D. 10

Description : What is the maximum number of electrons in an atom that can have the quantum number n = 3 and l = 2 ?

Last Answer : What is the maximum number of electrons in an atom that can have the quantum number n = 3 and l = 2 ? A. 2 B. 5 C. 6 D. 10

Description : A hydrogen like atom (atomic number `z`) is in a higher excited state of quantum number `n`. This excited atom can make a transition to the first exci

Last Answer : A hydrogen like atom (atomic number `z`) is in a higher excited state of quantum number `n`. This ... eV` respectively. Determine the value of `(n+z)`

Description : A hydrogen like atom (atomic number Z) is in a higher excited state of quantum number n. The excited atom can make a transition to the first excited s

Last Answer : A hydrogen like atom (atomic number Z) is in a higher excited state of quantum number n. The excited ... . (lonization energy of H-atom = 13.6 eV)

Description : A hydrogen atom in a having a binding of `0.85eV`makes transition to a state with excited energy `10.2eV`(a) identify the quantum number n of theupper

Last Answer : A hydrogen atom in a having a binding of `0.85eV`makes transition to a state with excited ... (b) Find the wavelength of the emitted radiation

Description : A hydrogen like atom with atomic number Z is in an excited state of quantum number 2n. It can emit a maximum energy photon of 204 eV. If it makes a tr

Last Answer : A hydrogen like atom with atomic number Z is in an excited state of quantum number 2n. It can emit a ... state energy of hydrogen atom is - 13. 6 eV.

Description : Find the quantum number `n` corresponding to the excited state of `He^(+)` ion, if on transition to the ground state that ion emits two photons in suc

Last Answer : Find the quantum number `n` corresponding to the excited state of `He^(+)` ion, if on transition to the ... with wave lengths `108.5` and `30.4 nm`.

Description : What information does the second quantum number of an electrons give?

Last Answer : The type of orbital the electron is in.

Description : What could the fourth quantum number of 1s2 electron be?

Last Answer : Ms = + 1/2

Description : What information does the first quantum number of an electron?

Last Answer : The energy level the electron is in

Description : What could the fourth quantum number of 1s2 electron be?

Last Answer : Ms = + 1/2

Description : Which quantum number cannot have an integral value? (a) n (b) 1 (c) m (d) s

Last Answer : Ans:(d)

Description : The number of waves made by an elec- tron moving in an orbit having maximum magnetic quantum number is +3?

Last Answer : 4

Description : Regarding the atom of a chemical element, magnetic quantum number refers?

Last Answer : Orientation

Description : Explain the significance of spin quantum number.

Last Answer : Ans.The direction of spinning of an electron in an orbit as well as the net magnetic moment of an orbital.

Description : Explain the significance of Azimuthal quantum number.

Last Answer : Ans. It refers as sub-energy level of an atom.

Description : How many maximum 3s electrons can have magnetic spin quantum number -1/2?

Last Answer : Ans. 1 electrons.

Description : The orbital angular momemtum quantum number indicates which one of the following? w) the average distance of the electrons from the nucleus x) the direction of spin of the electron y) the shape of the orbital z) the position about the three axes in space of the orbital 

Last Answer : ANSWER: Y -- THE SHAPE OF THE ORBITAL

Description : In quantum chemistry, a nodal surface: w) gives 99 percent contour surface for an orbital x) exists for a 1s orbital y) has quantum number l = 1 z) is an orbital surface on which the probability density is zero

Last Answer : ANSWER: Z -- IS AN ORBITAL SURFACE ON WHICH THE PROBABILITY DENSITY IS ZERO 

Description : Which quantum number indicates the shape of the orbital in which the electron moves?

Last Answer : ANSWER: B -- SPIN QUANTUM NUMBER

Description : The azimuthal quantum number determines the: w) spin of an electron x) shape of an orbital y) size of an orbital z) energy of an orbital

Last Answer : ANSWER: X -- SHAPE OF AN ORBITAL 

Description : 1. Regarding the atom of a chemical element, magnetic quantum number refers? 2. Coconut and mango grouped under, which kind of fruit? 3. Who fixes the salaries and the allowances of the Speaker of Lok ... ? 20. Which Gupta ruler had led a campaign to the south and was an expert 'Veena' player?

Last Answer : Answer : 1. Orientation 2. Drup 3. Parliament 4. Temperate 5. Yajurveda 6. General Assembly 7. Agha Khan Cup 8. Positive 9. Wind 10. Bali 11. Parthenocarpy 12. Kolkata 13. USA 14. Marble 15. Varanasi 16. Sachin Tendulkar 17. Animal charcoal 18. Thyroid 19. Hypabyssal 20. Samudragupta 

Description : What is quantum computing?

Last Answer : Quantum computing is a type of computing that uses quantum-mechanical phenomena, such as superposition and entanglement, to perform certain types of computations much faster than classical computers, and has potential applications in cryptography, optimization, and simulation.

Description : What is quantum computing?

Last Answer : Quantum computing is a type of computing that uses quantum mechanics, the laws governing the behavior of subatomic particles, to perform calculations and solve problems that are difficult or impossible for classical computers.

Description : What is quantum computing?

Last Answer : Quantum computing is a type of computing that uses quantum-mechanical phenomena, such as superposition and entanglement, to perform calculations and solve problems that are difficult or impossible for classical computers.

Description : What is quantum computing?

Last Answer : Quantum computing is a type of computing that uses quantum-mechanical phenomena, such as superposition and entanglement, to perform calculations and solve problems that are beyond the capabilities of classical computers.

Description : What is quantum mechanics?

Last Answer : Quantum mechanics is the branch of physics that studies the behavior of matter and energy at the atomic and subatomic level, often characterized by the phenomena of wave-particle duality and uncertainty.

Description : What is quantum computing?

Last Answer : Quantum computing is the use of quantum-mechanical phenomena (such as superposition and entanglement) to perform computations, with potential applications in cryptography, chemistry, and materials science.

Description : Will we have hybrid photonics, quantum, and classical computer processors?

Last Answer : Quantum computers already exist, albeit on a very limited scale.

Description : What did Einstein mean when he said the word "giddy" from the phrase about quantum physics?

Last Answer : He was delighted with how beautifully it all worked together.

Description : Could quantum entanglement be used in electric energy production?

Last Answer : The Second Law of Thermodynamics states that it is impossible. You always get less energy out of a system than you put into it and you can’t get energy for nothing.

Description : Would Quantum Slipstream and the Borg Transwarp Drive be affected by an Omega Particle explosion?

Last Answer : Both transwarp and quantum slipstream drives operate on the same basic principles as conventional warp drives, and neither bypasses the need to travel through subspace. So presumably they would both be affected ... . The same should also be true for a Xindi energy portal (aka subspace vortex).

Description : Do quantum strings vibrate in one direction?

Last Answer : String theory has been left to the annuls of ‘things that didn’t pan out’ in quantum theory.