Sunday

February 14, 2016
Number of results: 359

**chemistry**

Which of the following quantum numbers describes the shape of an orbital? A) principle quantum number (n) B) magnetic quantum number (ml) C) spin quantum number (ms) D) Schrodinger quantum number (S) E) (azithmal) angular momentum quantum number (l)
*November 14, 2011 by Teresa*

**Chemistry**

The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron. The angular momentum quantum number (§¤), ...
*October 29, 2012 by Anonymous*

**Chemistry**

The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron. The angular momentum quantum number (ℓ...
*March 26, 2014 by Annabelle*

**chemistry**

A 5d electron emits a photon, what are the possible quantum n,l, quantum numbers of the final s tate electron? What would the quantum num bers be a fter a photon with the smallest allowed (non-zero) energy is emitted?
*November 17, 2014 by Sarah*

**physics**

It is known that the possible values for the magnetic quantum number m range between -9 and +9. Determine the orbital quantum number and the smallest possible value of the principle quantum number. l = n =
*December 1, 2006 by MIke*

**Quantum Physics**

Consider the following quantum circuit: bit.ly/Zlrijv (a) What quantum state do you have to input in order to get output |00>? (b) What quantum state do you have to input in order to get output |11>? (c) What quantum state do you have to input in order to get output 1/&#...
*March 18, 2013 by helpful*

**Quick Question**

What is Quantum Physics and Quantum Mechanics? Is there even a difference between them? thank you very much.
*May 11, 2009 by James*

**Chemistry**

Consider an atom of Xenon. How many electrons in this atom... a) have the quantum number of l=2 b) have the quantum number of ml=0 c)have the quantum numbers n=5,ml=2 (at the same time) I think I know the answers. a) 10 b)2 c)2 But I am unsure and would like some input on if ...
*January 25, 2012 by Lindsey*

**Chemistry **

1.how many total oribitals are present in quantum #1 2. How many electrons are possible in quantum level 1 3. How many total or initials are present in quantum level 3
*October 12, 2015 by Sam*

**chemistry**

Find the quantum value of a 5py orbital. I know the quantum numbers (n,l,m,s) and all that, but I'm not sure where to begin or go after that. Answered below.
*November 26, 2006 by John*

**Chemistry**

Please help in any way that you can. Very small spherical crystals called quantum dots are being investigated for use in electronic devices. a. Calculate the mass of a quantum dot of pure silicon that has a diameter of 4nm. b. If you made a 3.5nm diameter quantum dot of pure ...
*June 29, 2013 by Ashley*

**chemistry**

which quantum number, or quantum numbers, can be connected with the direction a particular orbital position points in space, regarding wave mechanics?
*May 26, 2008 by Shivani*

**quantum physics**

the quantum factor algorithm for N=91 is carried out. What is the period k of the periodic superposition set up if it chooses x=8? Guys please help...its very urgent!!
*October 18, 2013 by Hannah*

**chemistry **

Which statement describes the principal quantum number (n)? A. The quantum number that indicates the subshell occupied by an electron B. The quantum number that indicates the energy level of the electron C. A subdivision of an energy level in an atom D. The probability of ...
*December 11, 2014 by Morgan *

**Chem**

Determine all possible values of each quantum number (n, l, ml, and ms) for electrons in both the 2s and 2p subshells. for 2s the the quantum number would be -1/2,0,1/2 right?
*November 2, 2014 by Feather*

**chemistry**

Suppose you take a trip to a distant universe and find that the periodic table there is derived from an arrangement of quantum numbers different from the one on Earth. The rules in that universe are: 1. principal quantum number n = 1, 2, . . . (as on Earth); 2. angular ...
*April 2, 2013 by Anonymous*

**Quantum Physics**

We will carry out some steps of the quantum factoring algorithm for N=91 (a) What is the period k of the periodic superposition set up by the quantum factoring algorithm if it chooses x=8? I.e. what is the period of f(j)=8j(mod91) (b) Using your answer to (a), find a ...
*October 12, 2013 by ss01*

**chemistry**

write all the possible set of magnetic quantum number for an electron in the n=2 shell that have an angular momentum number l=o and a spin quantum number +1/2
*February 4, 2012 by keisha*

**physics**

WHICH HAS PRINCIPAL QUANTUM NUMBER OF 3 AND ANGULAR MOMENTUM QUANTUM NUMBER OF 2 A 3s b 3d c 4f d 3f
*July 27, 2014 by AYESHA*

**Science**

The electron in a helium ion moves from a Bohr's orbit whose principal quantum number is 4 to another whose quantum number is 6.calculate the energy of transition in this process.
*April 14, 2015 by Olushola*

**chem**

can someone give me examples of the explanatory power of the quantum-mechanical model? Power to explain what? The nature of the chemical bond? Linus Pauling wrote a book with that title. Bascially, QM can explain everything about chemistry such as structure, polarity, ...
*March 7, 2007 by ashley*

**physics**

Consider this set of quantum numbers: n = 3, l = 2, ml = -1, ms = +½ The maximum number of electrons in an atom which can share the above set of quantum numbers is
*August 15, 2009 by jeff*

**Quantum Physics**

I try to make a Quantum Fourier Transformation with N=6: w=e^(2*pi*7/6) so we have 6-th roots: 1,w,w^2,-1,-w,-w^2 My matrix is QFT6= 1/sqrt(6)* (1 1 1 1 1 1 ) (1 w w^2 -1 -w -w^2) (1 w^2 -w 1 w^2 -w ) (1 -1 1 -1 1 -1 ) (1 -w w^2 1 -w w^2 ) (1 -w^2 -w -1 w^2 w ) the vector that...
*September 17, 2013 by Anonymous*

**chemistry**

how to find which is quantum number and magnetic quantum number
*July 10, 2014 by steve please solve this question *

**Chemistry**

What is the azimuthal quantum number (also called the angular-momentum quantum number), ℓ, for the orbital shown here? (the photo is a d orbital. it has 4 balls around it) Express your answer numerically as an integer.
*April 24, 2014 by Anonymous*

**English**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*May 7, 2009 by john browm*

**Quantum Physics**

In this problem, we will carry out some steps of the quantum factoring algorithm for N = 15 (a) What is the period k of the periodic superposition set up by the quantum factoring algorithm if it chooses x = 2 ? (b) Assume that we found this k using period finding algorithm. ...
*March 21, 2013 by Gyanno*

**critical thinking**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*January 16, 2009 by Anonymous*

**CRT205 Quiz**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*February 27, 2009 by randy*

**Critical Thinking**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*June 6, 2009 by mary*

**Critical Thinking**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*July 31, 2009 by bere*

**Physics**

Did Einstein support quantum mechanics as being fundamental physics, or did he think quantum mechanics was inconclusive?
*April 10, 2008 by Tammy*

**Chemistry**

find an atom which would have an electron with a quantum number of n=5, l=2, mL=0, mS=1/2 and a valence electron with a quantum number of n=6,l=1, mL=-1, mS=-1/2.
*May 15, 2009 by Gweedo8*

**Chemistry**

Does anybody know the principle quantum number of an atom that has s, p, d, f orbitals? I'm pretty sure the number is inbetween 2-4, but I am unsure of how to figure out the principle quantum number just using that information. Thanks in advance!
*March 9, 2010 by Marla*

**english: crit. thinking**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*March 19, 2008 by rose*

**chemistry**

how can i compare the dual nature of light how can i describe the phenomena that can be explained only by the particle model of light. how can i empoly the quantum theory to assess the amount of energy that matter gains and loses how did Einstein utilize Plancks quantum ...
*November 6, 2008 by dina*

**Chemistry:normal notation plz help**

Using the normal notation of quantum number find the element which has the following value of quantum number n=3 l=2 m=2 s=+1/2 (a):potassuim (b):nitrogen (c):sodium (d):scandium
*January 6, 2016 by Collins*

**Chem**

For two spin-paired electrons that are in the same orbital, describe how the values for the first three quantum numbers (n, L, and mL) are related for the two electrons. Is this because no other electron has the same quantum number?
*November 11, 2014 by Feather*

**Quantum Computing**

In this problem, we will carry out some steps of the quantum factoring algorithm for N=21. (a) What is the period k of the periodic superposition set up by the quantum factoring algorithm if it chooses x=2? In other words, what is the period of f(j)=2^j (mod 21). (b) Assume ...
*September 22, 2013 by imath*

**college**

Determining the time quantum for a job is a critical task. Given the assumptions that the average switching time between processes is s, and the average amount of time an I/O bound process uses before generating an I/O request is t (t >> s). Discuss the effect of each of...
*December 2, 2009 by shami*

**ENGLISH**

Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion and gravitation in ...
*May 7, 2009 by john doe*

**Chemistry**

The term degeneracy means the number of different quantum states of an atom or molecule having the same energy. For example, the degeneracy of the n = 2 level of the hydrogen atom is 4 (a 2s quantum state, and three different 2p states). What is the degeneracy of the n = 1 level?
*June 14, 2011 by Lance*

**Quantum Physics**

Suppose Alice starts with two qubits in the Bell state 1/√2 (|00> + |11>) and teleports these qubits to Bob by applying the quantum teleportation protocol to each qubit separately. (a) What is the state of the two qubits received by Bob? |00> = |01> = |10>...
*March 3, 2013 by qwerty*

**physics**

When an electron makes a transition from its first quantum level to the ground level, the energy difference is carried by the emitted photon. In comparison, how much energy is needed to return an electron at ground level to the first quantum level?
*June 11, 2012 by Anonymous*

**Quantum Physics**

Suppose Alice starts with two qubits in the Bell state (1/√2)|00⟩+(1/√2)|11⟩ and teleports these qubits to Bob by applying the quantum teleportation protocol to each qubit separately. (a) What is the state of the two qubits received by Bob?
*September 5, 2013 by Anonymous*

**physics**

In this problem, we will carry out some steps of the quantum factoring algorithm for N=91. (a) What is the period k of the periodic superposition set up by the quantum factoring algorithm if it chooses x=8? I.e. what is the period of f(j)=8j(mod91) (b) Using your answer to (a...
*October 13, 2013 by manu*

**Chemistry**

Very small crystals composed of 1000 to 100,000 atoms, called quantum dots, are being investigated for use in electronic devices. (a) Calculate the mass in grams of a quantum dot consisting of 1.400 104 atoms of silicon. (b) Assuming that the silicon in the dot has a density ...
*June 1, 2010 by Anita*

**Chemistry**

24. A quantum is a finite amount of energy gained or lost by an atom.- F? 25. An atom is in an excited state when it has its lowest energy.- F 26. The Bohr model of the atom shows electrons in areas called energy levels.- F? 27. The principal quantum number indicates the main ...
*October 21, 2010 by mysterychicken*

**chemistry**

Suppose you live in a different universe where different amount of quantum numbers is required to describe the atomic orbitals. These quantum numbers have the following rules: N principal 1,2,3,…. L orbital =N M magnetic -1. 0. +1 How many orbitals are there all together in ...
*November 12, 2008 by Jordan*

**Chemistry (Check)**

Q: Identify all that is incorrect about the set of four quantum numbers and explain why. {-3, 2, 1, 1/2} A. -3 because there can't be a negative orbital. Q: Identify all that is incorrect about the set of four quantum numbers and explain why. { 3, 2, 1/2, 1/2} A. m(l) = 1/2 ...
*September 13, 2015 by Anonymous*

**physics**

n this problem, we will carry out some steps of the quantum factoring algorithm for N=15. (a) What is the period k of the periodic superposition set up by the quantum factoring algorithm if it chooses x=2? (b) Assume that we found this k using period finding algorithm. Use k ...
*March 22, 2013 by s*

**Chemistry**

In an alternate universe, electron energies in an atom are found to obey the following equation where n is the principle quantum number: E = 3.0 x 10^(-19) J * nm * (1/n^2) ..where n is the principle quantum number A gas discharge lamp, like the lamps used in lab, contains ...
*April 15, 2015 by Nora*

**Chemistry**

In an alternate universe, electron energies in an atom are found to obey the following equation where n is the principle quantum number: E = 3.0 x 10^(-19) J * nm * (1/n^2) ..where n is the principle quantum number A gas discharge lamp, like the lamps used in lab, contains ...
*April 15, 2015 by Nora*

**science**

Newton’s law of gravity is used with great success in most everyday situations, and indeed, in planning planetary space missions such as the Rosetta probe. However, Einstein’s theory of general relativity and a theory of quantum gravity are needed to describe the observed ...
*August 28, 2011 by mj*

**Physics**

When do we have to give up on an old theory and try to come up with a new theory? Would it be when the old theory under goes changes? Also, how would I compose my answer to this question into a paragraph? This happens when we suspect that the theory is not perfect. E.g., the ...
*August 7, 2007 by Soly*

**physics **

A monochromatic light beam with energy 204eV is used to excite the Be+3 (H –like atom with Z=4) from its ground state to some excited state m. Neglect the finite nuclear mass correction. a) Find the quantum number m of this excited state. b) Following this transition the...
*April 25, 2011 by qwer*

**Quantum physics**

Suppose we have a quantum circuit that takes the input |0> and outputs |+>, and also takes the input |1> and outputs −|−>. If we input √2*i/√3|+> + 1√3|−>, what does the circuit output? In the form a│0> + b│1...
*September 9, 2013 by SS01*

**Quantum Physics**

What is ZX applied to H|0>?
*February 24, 2013 by qwerty*

**quantum**

prob 2 ans please?
*September 13, 2013 by Anonymous*

**quantum physics**

question 3 a ...help pls
*October 18, 2013 by alex*

**CHEMISTRY**

What atomic orbital has the quantum numbers n = 3, l = 1, ml = -1?
*April 13, 2011 by HELP*

**chemistry**

What are the quantum numbers for a 3d atomic orbital?
*April 13, 2011 by James*

**chemistry **

what is the energy in joules of one quantum of 55.4 nm
*February 4, 2012 by Anonymous*

**Chemistry**

What quantum numbers specify these subshells? 2s n= l= 3p n= t= 6d n= l=
*October 28, 2012 by Bill*

**chemistry**

1. What quantum numbers specify these subshells? 5s: n=? l=? 5p: n=? l=? 3d: n=? l=?
*September 30, 2013 by Shira*

**Quantum physics**

docs(dot)google(dot)com/file/d/0B4uUFmATOigqbjAxU2tRNjVwa1E/edit?usp=sharing (a) What is the inner product of the 3rd row and 14th row of this matrix? b) What is the inner product of the 3rd row with itself? C) Suppose we have a quantum circuit that takes the input |0> and ...
*September 8, 2013 by SS01*

**Chemistry**

Indicate which of the following quantum numbers are unacceptable: (a)(1,2,0,1/2) (b) (3,2,0,1/2) (c)(3,2,2,1) (d) (4,3,2,-1/2)
*February 6, 2012 by earl*

**chemistry**

What is the energy of an electron with a principle quantum number of n=2
*July 21, 2012 by maryam*

**Quantum chemistry**

For the simple harmonic oscillator determine: b. [Tˆ,Vˆ ]
*February 24, 2013 by Adam*

**Quantum M.**

Why "In Hilbert Space noone can hear you scream"?
*March 10, 2013 by Jess*

**chemistry**

the third quantum number, m, indicates what property of the electron?
*February 28, 2008 by Megan*

**chem**

For a given quantum number, n, which electrons will experience the greatest Z*, s or p??????
*December 10, 2008 by Kim*

**Quick Question**

Who is the founder of Quantum Physics? Please help. Urgent.
*May 10, 2009 by James*

**chemistry**

The quantum numbers: n = 1, l = 0 and ml = 0 ; can occur together to specify an orbital
*November 15, 2010 by Natalie*

**chemistry **

apply quantum theory to explain the photoelectric effect
*December 2, 2010 by Anonymous*

**Chemistry**

What? If anything, is wrong with the following sets of quantum numbers. a. n = 2, l = 2, ml = 0, ms = +1/2 b. n = 0, l = 0, ml = 0, ms = -1/2 c. n = 3, l = 2, ml = -2, ms = +1/2 d. n = 4, l = 2, ml = 2, ms = -1/2
*February 27, 2011 by Kelly*

**chemistry**

How many electrons in a cesium atom can have the quantum numbers of n = 3 and ml = -1
*March 9, 2013 by patrick*

**chemistry**

How many electrons in an atom could have these sets of quantum numbers? n=3 n=5, l=2 n=6, l=1 ml=-1
*April 1, 2013 by anonymous*

**General chem**

How many electrons can have the quantum numbers n=4; l=2; ml=2 in an atom?
*April 16, 2013 by Monika*

**Chemistry**

How many electrons in an atom could have these sets of quantum numbers? n=3 n=5 , l=2 n=7 , l=3 , ml=-1
*October 25, 2015 by Megan*

**Chem**

From the information below, identify element X. a. The wavelength of the radio waves sent by an FM station broadcasting at 97.1 MHz is 30.0 million (3.00 X lo7) times greater than the wavelength corresponding to the energy difference between a particular excited state of the ...
*March 29, 2007 by Dianne*

**Chemistry**

Which of the following sets of quantum numbers could possibly describe an electron in the ground-state configurations of beryllium. Choose all that apply (e.g. AB, ABC, ABDF). A) n=1 l=0 ml=0 ms=1/2 B) n=3 l=1 ml=-1 ms=1/2 C) n=2 l=0 ml=0 ms=-1/2 D) n=2 l=1 ml=0 ms=1/2 E) n=3 ...
*November 19, 2014 by Kales*

**Quantum Mechanics**

Suppose we have a quantum circuit that takes the input |0⟩ and outputs |+⟩, and also takes the input |1⟩ and outputs −|−⟩. If we input √2*i/√3|+⟩ + 1/√3|−⟩, what does the circuit output?
*September 12, 2013 by Anonymous*

**Chemistry**

The principal quantum number of the valence electrons in a atom of lead is A. 2 B. 3 C. 4 D. 5 E. 6
*November 18, 2007 by Lauren*

**Chemistry**

The principal quantum number of the valence electrons in an atom of lead is: A. 2 B. 3 C. 4 D. 5 E. 6
*November 19, 2007 by Lauren*

**Science**

need info about Niels Bohr's quantum theory????????
*May 27, 2008 by Sam*

**Chem**

what are the four quantum numbers of the last electron of As this is what i have n=4 l=1 ms= 1/2 i don't know how to calculate ml. I know it's either: -1,0,1
*March 30, 2009 by Laura*

**chemistry**

In the ground state of an atom of silver (Ag), how many electrons will there be with the quantum number l = 1?
*November 13, 2010 by Shadow*

**Philosophy**

In what ways can we say that quantum physics both is and is not classical science?
*April 27, 2011 by Humanities*

**Chemistry**

what is the energy in joules of one quantum of 3^8 m/s? reply in scientific notation
*February 4, 2012 by Anonymous*

**Chemistry**

What kind of orbital is designated by the quantum numbers (3,1,1,1/2)? Answer s, p, d, or f only.
*March 7, 2012 by John*

**Chemistry**

What are the possible values of the azimutal quantum number for an electron in the 4f subshell?
*April 27, 2012 by Wube*

**chemistry**

Give the orbital designations of electrons with the following quantum numbers" (a) n = 3, l = 0, m1=0 (b) n=2, l=1, ml=-1 (c) n=4, l=3, ml=-2 (d) n=4, l=2, ml=0
*November 11, 2012 by lynn*

**Quick Question #2**

How did Max Planck came upon/discover Quantum Physics? thank you
*May 10, 2009 by James*

**quantum physics**

To what speed must an electron be accelerated for it to have a wavelenght of 3.0cm?
*February 19, 2010 by john*

**Chemistry**

How many electrons in an atom can have each of the following quantum number or sublevel designations? 1. n = 4, l = 3
*October 30, 2010 by Chris*

**Physics**

How many electrons in an atom can have each of the following quantum number or sublevel designations? 1. n=4, l=3
*October 31, 2010 by Arian*

**Chemistry**

Theres an airplane with a mass of 5.4g, 305. mm long, moving at 1.8m/s. Is it classic or quantum?
*January 30, 2013 by Jessica*

**Quantum/inorganic chemistry**

c. Which of these electron configurations has the 4F term symbol for its ground state? p3 d3 d4 f2 f3
*April 14, 2013 by Adam*

**Chem HELP!!**

Which one of the following sets of quantum numbers can correctly represent a 3p orbital? a) (n = 3 l = 1, ml = 2) b)(n = 1, l = 3, ml = 3) c) (n = 3, l = 2, ml = 1) d) (n = 3, l = 1, ml = -1) e) (n = 3, l = 0, ml = 1)
*October 5, 2014 by Eric*