Which of the following elements contains the largest number of unpaired electrons? Group of answer choices Y Te Ba Ru Zr

Q: What is the energy of a hydrogen electron when it "resides" in the n=4 level? J (eg. 5.32E-8)

A: Hydrogen atom has one electron in its shell. Thus, its atomic number is 1. The hydrogen electron can…

Q: 20. How many unpaired electrons are in C2- ? Z of C = 6  a. 3 unpaired electrons b. 2 unpaired…

A: We have to find out the unpaired electron in C2-

Q: 44. In a hydrogen atom, which transition requires the greatest input of energy? (A) n=7→n=3 (C)…

A: 1.If electron  jump from lower to higher energy levels energy requird for transition.  2.If electron…

Q: Which atom will have the lowest 2nd ionization energy? Group of answer choices Ca Be Li K

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Q: QUESTION 26 For which of the following transitions would a hydrogen atom absorb a photon with the…

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Q: calculate the energy emitted by a single electron making the downward transition from the n=5 to n=3…

A: Given: Calculate the energy emitted by a single electron (E) = ? downward transition from  n=5 to…

Q: metal foil has a threshold frequency of 5.45 x 1014 Hz. Which of the colors of visible light have…

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Q: Which of the following electrons indicated with an asterisk will be the lowest in energy? 2s 1s 1s…

A: The negatively charged electrons are attracted by the positive charge of the nucleus. As the number…

Q: n = 4 n = 3 D B n = 2 E n = 1

A: The change in the energy for the emission of an electron in a hydrogen atom from an initial (i) to…

Q: An atom in the ground state O has all electrons in the n = 1 orbit O has all electrons in the lowest…

A: Any atom in the ground state can absorb an electromagnetic radiation of any wavelength and can go to…

Q: Which of the electron transitions shown below is most likely to produce a red colored light? A B C…

A: The question is related to Balmer lines of Hydrogen spectrum. The answer is option A) n=3 to n=2

Q: Which occurs if an electron transition occurs from n=5 to n=2 in a hydrogen atom?

A: Here the electron transition occurs from n = 5 to n=2 state in a hydrogen atom , that is electron is…

Q: Atoms of Ca-38 and Ca-40 differ with respect to number of Group of answer choices neutrons orbitals…

A: To find: The atoms of Ca-38 and Ca-40 differ with respect to ??

Q: How many unpaired electrons has the element Se (Selenium) in its ground state? * 4 unpaired…

A: The atomic number of selenium is = 34 The number of electrons in the selenium atom is = 34 The…

Q: How many unpaired electrons are contained in each element: (a) Al; (b) P; (c) Na?

A: The number of unpaired electrons present in given elements has to be determined.

Q: Which of the following elements has two electrons in its outermost p subshell? Group of answer…

A: The correct answer is c, all of these.

Q: How many of the following elements have 2 unpaired electrons in the ground state? Sn Se Zr Ge…

A: From their ground state electronic configurations, we can find out the unpaired electrons

Q: Cs is used in photocells and television cameras because it has a very low ionization energy,…

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Q: How many electrons are needed to fill all of the d orbitals in n=4 Select one: a. 2 b. 3 c. 6 d. 10…

A: Main shell (n) l Subshell 1 0 1s 2 0 2s   1 2p 3 0 3s   1 3p   2 3d 4 0 4s   1 4p…

Q: Arrange the electrons represented by the following sets of quantem number in decreasing order of…

A: By determining the (n + l) value for each set of quantum numbers, the order of energy can be…

Q: How many unpaired electrons has the element Se (Selenium) in its ground state? * 4 unpaired…

A: We know that, Atomic number of Se= 34 For the calculation of unpaired electron, first write the…

Q: The energy of the electron in the lowest level of the hydrogen atom (n=1) is -2.179×10-18 J.What is…

A: Given:Energy of 1st orbit (n=1) = -2.179×10-18 J.

Q: If calcium has an emission line at 657 nm, the electron travels from what energy level to n = 2? n;…

A: wavelength = 657nm = 657 x 10-9 m  Final = n=2 Initial = ?

Q: Which of the following elements has no unpaired electrons in its ground state? Cl Ca Be C O Fe…

A: (a) Electronic configuration of Cl in ground state = [Ne]  3s²   3p⁵…

Q: Which transition will lead to the emission of light with longer wavelength, n = 3 to n = 2, or n = 4…

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Q: Which element will likely hold its electrons most weakly? Group of answer choices A. rubidium (Rb)…

A: The ionization energy is the energy required to remove an electron from an atom in gaseous phase.…

Q: Fill in the boxes below with the regions (NOT COLORS) of the electromagnetic spectrum in increasing…

A: 2.

Q: How many unpaired electrons are present in the ground state of an atom from each of the following…

A: a. In ground state 2A group, there is no unpaired electron. b. In ground state 5A group, there are…

Q: When the light of frequency 3.27 x 1015 s-1 shines on the surface of copper metal, electrons are…

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Q: Sodium Which spectral line in the sodium line spectrum has the longest wavelength? orange yellow…

A: Line spectrum is an emission spectrum consisting of isolated lines.

Q: In a hydrogen atom, which transition requires the greatest input of energy?   A. n=7 to n=3 B. n=2…

A: The energy required for the jump is given by

Q: 29. Calculate the maximum number of electrons in the energy levels with the following principal…

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Q: What is the color of a visible radiation having an energy of 3.60 x 10-19 Blue : 440 - 490 nm קנ…

A: Given :- energy of radiation = 3.60 × 10-19 J  To identify :- color of radiation

Q: What is the maximum number of electrons that can be accommodated in the ‘d’ sub-  shell?…

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Q: Which of the following correctly ranks elements in terms of increasing atomic size based on periodic…

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Q: 4. Which among the shells given below is closest to the nucleus? a. М с. L b. K d. O 5. The d…

A: Answers of 4,5,6

Q: For each orbital designation, report the number of orbitals and electrons: а) Зр Number of…

A: The principal quantum number (n) represent the main shell or orbit  The Azimuthal quantum number (ℓ)…

Q: Which atom would be expected to be the most electromagnetic? Na AI Cs B

A: The electromagnetic nature of any element depends on the number of unpaired electrons it have.…

Q: The energy of the electron in the lowest level of the hydrogen atom (n=1) is -2.179×10-18 J. What is…

A: The energy of electron of the hydrogen atom in the nth level is given by: If E1 is the energy…

Q: What is the total number of electrons that can fit in s and p atomic orbitals up to and including…

A: We are given a principle energy shell, n=3 The number of atomic orbital up to n=3 are. 1s, 2s, 2p,…

Q: An unidentified element is known to have an electron configuration, [X] ns^2, in its ground state.…

A: Given that an unidentified element is known to have an electron configuration, [X] ns^2, in its…

Q: Which of the following transitions in the Bohr hydrogen atom model affords emission of the…

A: The energy associated with the particular energy state can be calculated as: En=-13.6 n2eVWhere n…

Q: What is the maximum number of electrons that can be placed into each of the following. a. 1s orbital…

A: Note: According to our guidelines we are supposed to answer only first three subparts. Kindly repost…

Q: Using the electron configurations of atoms, determine which atom has the fewest unpaired electrons.…

A: Electronic configuration: The electronic configuration is the distribution of electrons of an atom…

Q: An electron initially in a 4p state decays to a lower energy state. Which energy state is forbidden?…

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Q: Which subshell has the lowest energy? Group of answer choices a. 6s b. 5s c. 4d d. 5p

A: According to Aufbau's Principle, the subshell which has the lowest lave of (n+l) has the lowest…

Q: How many unpaired electrons are present in the ground state of an atom from each of the following…

A: An Unpaired electron is an electron that is present in the orbital of an atom singly rather than a…

Q: In a single atom, what is the maximum number of electrons which can have quantum number n = 4?…

A: Principle quantum number, n = 4

Q: Which of the following has the most number of unpaired electrons? A. S* В. S С. S- D. S2- O D A B.

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