18. The number of unpaired electrons in Zr (Z=40) is: A) 1 B) 5 C) 3 D) 4 E) 2

Q: 1. How many unpaired electrons are in the nitrogen atom? A. Paramagnetic B. Diamagnetic This atom is…

A: 1. The atomic number of nitrogen is 7. Its electronic configuration is 1s22s22p3. Thus, the unpaired…

Q: 6.91 Explain why the ground-state electron configurations of Cr and Cu are different from what we…

A: Solution :    Electronic configuration in Chemistry shows the distribution of electrons in an atomic…

Q: 6.83 Indicate the number of unpaired electrons present ineach of the following atoms: B, Ne, P, Sc,…

A: Electronic configuration represents the distribution of electrons in an atom.

Q: Consider a transition in which the electron of a hydrogenatom is excited from n = 1 to n = ∞. (a)…

A: (a) The bohr’s model of an atom is used only for hydrogen like systems that is, the ions that have…

Q: Draw the box diagrams and how many unpaired electrons are there: Rh: P:

A: please find below the box diagrams and unpaired electrons number in Rh. hence the number of…

Q: Which of the following is a valid electron configuration for Selenium? Select all that apply.…

A: In normal form- The electron configuration for selenium is- 1s22s22p63s23p63d104s24p4

Q: Guided Activity 1: Follow the order. Directions: Build the electron configuration of the following…

A: According to Aufbau Principle the electrons filled in shell according to increasing order of there…

Q: NickelUse Slater’s rules to calculate the shielding constant and effective nuclear charge of a 3d…

A:

Q: The number of unpaired electrons in the electron configuration of a Cr atom is_ Select an answer and…

A: Given  Element = Cr  Number of unpaired electron = ?

Q: How many d orbitals can exist when the principal quantum number = 2? Select one: а. 0 b. 1 O c. 5 d.…

A: According to quantum mechanics, there are four types of quantum numbers. The electrons are filled in…

Q: 5. Study the following electron configurations for Am (atomic number 95) and Cm (atomic number 96):…

A: The electronic configuration is a summary of where the electrons are to be placed around the…

Q: 4.1) Explain the Pauli's exclusion principle. 4.2) Determine the location of the 3rd, 6th 12th and…

A: 4.1 )  Pauli's exclusion principle states that no two electrons in an atom can have same set of…

Q: Which one of the following is correct for the quantum mumbers (n L my respectively) of an electron…

A:

Q: Which statement is false? Group of answer choices 1 The spin quantum number can have values of +½…

A: An atom is the basic and fundamental unit of matter. An atom consists of electron and the nucleus in…

Q: What value of  l is represented by a  d orbital?     0     2     1     3

A: the principal quantum number n describe the energy of an electron and the most probable distance of…

Q: write the electron configuration of scandium (Sc=, Z=21)

A: Electrons are filled in the manner  1s2s2p3s3p4s3d But written in the manner 1s2s2p3s3p3d4s

Q: To which orbitals can an electron in a 4f orbital transition? (Select all that apply.) O 3d 4p 5d 1s…

A: For the transition of any electron from one orbital to another orbital, they must follow some rule…

Q: A particular orbital has a designation of 3p. What are the valid quantum numbers for this orbital?…

A:

Q: (II) Use the Bohr model to estimate the wavelength for an n = 3 to n = 1 transition in molybdenum (Z…

A:

Q: In the ground state of a cobalt atom there are unpaired electrons and the atom is Select one: a. 2,…

A: The answer of the above question is given in step 2

Q: Match the quantum number with the correct description. Principle energy level 1. n Electron Magnetic…

A:

Q: A ground-state atom of manganese has unpaired electrons and is (ZMn=25)

A: Given data:  The Atomic Number of Manganese is ( Z = 25 ) The ground state of an atom represents the…

Q: 3. Indicate the number of unpaired electrons present in each of the following atoms: B, Ne, P, Sc,…

A: B, Ne, P, Sc, Mn , Se, Kr, Fe, Cd, I, Pb number of unpaired electrons = ?

Q: 2) Draw the most stable electron orbital diagram for a chromium atom. Provide a brief definition for…

A:

Q: Which of the following is/are correct?1. A paramagnetic substance is attracted to a magnetic field…

A: 1) A paramagnetic substance is attracted to a magnetic field is not correct.Reason: - Paramagnetic…

Q: 8.5 Determine the number of unpaired electrons are there in an ion of Strontium (Sr*)

A:

Q: quantim numbers. For an electron in the Is orbital shown above, enter a possible value for each…

A:

Q: When the following equation is balanced in acidic solution, the coefficients for MnO,", H and H,0…

A: The given reaction is : MnO4-aq  +   SO32-aq  +   H+aq    →      MnO2s    +     SO42-aq  +   H2O

Q: (b) An orbital in the 7d subshell On = 7,1 = 3, m = +4 On = 7,1 = 3, m, = 0 n = 7,1 = 2, m = -1 n =…

A:

Q: Which of the following are elements nonmetals that have full 3d orbitals and 3 half-filled 3p…

A: Se=[Ar]3d104s24p4As=[Ar]3d104s24p3Sb=[Kr]4d105s25p3Te=[Kr]4d105s25p4

Q: Using only the periodic table below, write the expected ground-state electron configurations for a.)…

A: The electronic configuration of any element is written keeping in mind three rules. Afbau principle,…

Q: 17) Sometimes, 4s orbital has slightly lower energy level than the 3d orbital. The reason is: a) The…

A: Electronic configuration: As per our guideline we have to answer first question only.

Q: What level in the electron transition of a hydrogen atom, starting from the orbit n = 4, will…

A: given wavelength = 486 nm = 486 × 10-9 m n2 = 4

Q: Calculate the wavelength in nm of 3.83 x 10^14 s^-1 light. Sig figs please. Thanks!

A: We will calculate this question using relation between wavelength and frequency.

Q: 33. Ho'v many orbitals are there in a d-subshell of ai atom? A 5 в з D 2

A:

Q: Consider the element Osmium (No. of Electrons = 76) a. Write the electronic configuration…

A:

Q: Which of the following subshells has the highest energy electrons?  Hint: Careful here! Remember…

A: The nucleus consists of positively charged particles called protons and negatively charged particles…

Q: Which of the following species has the greatest number of unpaired electrons: S+  , S, or S- ?

A: Answer:- This question is answered by using the simple concept of writing the electronic…

Q: 5. Cr has that is (are) unpaired electrons in its ground state. one electron O three electrons two…

A:

Q: How many unpaired electrons has the element Selenium (Z=34) in its ground state? * 3.

A:

Q: Indicate the number of unpaired electrons present in each of the following atoms: B, Ne, P, Sc, Mn,…

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: Give the spectroscopic notation (also called spdf notation) electron configuration of Cr.

A: In spectroscopic notation electron configuration or simply electron configuration, we arrange all…

Q: Which of the following is a valid electron configuration for Selenium? Select all that apply.…

A: Which of the following is a valid electron configuration for Selenium?

Q: 4 6. 1 3

A: Woodward–Fieser rules are several sets of empirically derived rules which attempt to predict the…

Q: Which of elements 1-36 have one unpaired electron in the ground state?

A: