I am confused. It states that Nobel gasses have zero valence electrons. Then it says that group 8 elements have 8 valence electrons but group 8 are noble gases. How is this possible or am I wrong altogether? Which elements have zero valence electron

Q: How many 3d electrons are found in each of the following elements? a. nickel, Z = 28 b. vanadium, Z…

A: a. Nickel ( Ni ) , Z = 28  b. Vanadium ( V ) , Z = 23  c. Manganese ( Mn ) , Z = 25  d. Iron ( Fe )…

Q: How many protons, neutrons and electrons does the cation contain? How many valence and core…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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Q: A neutral atom has two electrons with n = 1, eight electrons with n = 2, eight electrons with n = 3,…

A: Note: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: The electron configuration for an element is 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 104p 6 5s 2 4d 105p 4…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: How many electrons are there in the 4th energy level of Ni? The 4s subshell holds the outermost…

A: Electronic configuration of Ni is given by,                                                 1s2 2s2…

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A:

Q: Co forms two monatomic ions, Cot and Co2+. From which sublevels do you expect electrons are lost in…

A: In forming the cation outermost electron remove first.

Q: Determine the number of valence electrons in an atom of each element. Which elements do you expect…

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Q: Write the full electron configuration for phosphorus, atomic symbol P, then draw an orbital box…

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Q: In the space below, write the electron configurations of the following elements:   1).sodium…

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Q: 1. The electron configuration for an element is 1s22s22p63s23p64s23d104p65s24d105p4 . a. How many…

A: The electronic configuration of the given element is as follows: 1s22s22p63s23p64s23d104p65s24d105p4

Q: 1. Write the electron configuration for the following atoms and then indicate the highest occupied…

A: Write electronic configuration and indicate the highest occupied shell and subshell ---

Q: Finally, examine the atomic spectrum below. Estimate the wavelength of each spectral line, then use…

A: The spectral lines are observed at- 462 nm 492 nm 612 nm 662 nm

Q: 4. Write the full electron configuration for phosphorus, atomic symbol P, then draw an orbital box…

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Q: 1. Which of the following observations did NOT lead to the development of the Bohr model of an atom?…

A: Answer of questions is given below.

Q: What is the maximum number of electrons that can occupy the 2nd principle energy level? a)6 b)18 c)2…

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Q: 67. Write the valence shell electron configuration of each of the following elements, basing your…

A: Valance shell electronic configuration of following elements:

Q: 1.67 Which of the following statements are true for many-electron atoms? If false, explain why. (a)…

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Q: According to the quantum mechanical model of the atom, which of the following sublevels DOES exist?…

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Q: electron has the highest and which has the lowest energy? Justify your answer.  How many electrons…

A: A)1) electron A is present in 4d orbital with any of the configuration  dxy, dyz , dxz, dx2-y2 2)…

Q: Kr: 1s2. Krypton is found in period 4 of the periodic table. Explain how the electron configuration…

A: Elemental symbol of krypton is Kr  Atomic number of Kr is 36

Q: 42. What is the maximum number of electrons that an orbital can have? * a. 1 electron b. 2 electrons…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Answer the following questions about the elements with the configurations shown here: A= [Ar]4s2…

A: NOTE : Since you've posted a question with multiple sub-parts,we'll solve first three sub-parts for…

Q: Draw and fill in an orbital diagram for the following elements. (boxes and arrows) ONLY complete a…

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…

Q: What is the maximum number of electrons that a d subshell can contain? O 14 10 2 6.

A:

Q: 5. What is the maximum number of electrons that can occupy any orbital? 6. What is the maximum…

A: Answer : - any orbital can occupy maximum 2 electrons      maximum number of electrons that can be…

Q: Elements in groups IA and VIIA of the periodic table possess, respectively, how many valence…

A: The general electron configurations of group IA and group VIIA elements are ns1 and ns2np5…

Q: What is the maximum number of electrons that can be identified with each of following sets of…

A: Quantum numbers are explained for the distribution of electron density in an atom.  They are derived…

Q: 1000 1500 2000 2500 3000 distance from nucleus (pm) Use this sketch to answer the following…

A:

Q: separates the core from the valence electrons in Arsenic

A: Applying concept of core electron formation due high effective nuclear charge.

Q: I want to know the explanations why one element gives its electrons to other elements forming unique…

A: Elements combine with each other in order to attain stability. Chemical reactions take place between…

Q: 2. Which is TRUE about the 3p electrons in sulfur? (A) They travel in a figure 8 orbit (B) They are…

A: The increase in shell number  energy also increases

Q: Write the valence shell electron configuration of each of the following elements, basing your answer…

A: In these question, first of all we write the electronic configuration of each element then compare…

Q: tal  p-orbital d-orbital f-orbital  c) Which of the following atoms could have an electron in the…

A: a) Energy level :  This electron present in principal quantum number ( n ) = 3 and principal quantum…

Q: Which one of the statements about electrons and atoms is now considered INCORRECT? Select one: a.…

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Q: What is the name of the subshell with n = 4 and l = 2? -- 4f 4d 4p 4s

A: Welcome to bartleby !  Introduction : We have to tell the name of subshell .

Q: What is the atom with the smallest atomic number that contains the same number of electrons in all…

A: Correct answer is explained below.

Q: The electrons in an atom are good grouped based on their shell, subshell, and orbital. What are the…

A: The smallest unit of particle is known as atom. The behavior of electrons in an atom and their…

Q: Please answer #1 and #2

A: Hello. Since you have posted multiple questions and specified two question needs to be solved, we…

Q: List the number of valence electrons for each family in the periodic table, and explain the…

A: Given groups are : a. alkali metals b. alkaline earth metals c. halogens d. oxygen family Number of…

Q: Enter the number of electrons in each energy level (shell) for each of the elements. If the energy…

A:

Q: Identify the INCORRECT statement below:? a)  The total number of electrons required to fill the n=1…

A: Consider statement (a) For n = 1 level, there is only one possible value of l that is 0. If l = 0 we…

Q: gives the correct numbers of subatomic particles in an atom of an element with atomic number (Z) 48…

A: 1) Atomic mass = number of protons = 48  Mass  number = 120  Number of Neutrons = 120 -48 = 72…

Q: 1) Arrange the following groups of atoms in order of increasing size. a. Rb, Na, Be b. Sr, Se, Ne c.…

A: Given:-             (a)  Rb , Na , Be                                      This element consists of…

Q: Which of the following statements about an electron is TRUE according to the quantum mechanical…

A:

Q: i put an example down below . I dont understand this Fe = 8 electrons Rb = 20 electrons Li = 32…

A: IMPORTANT POINTS  Firstly the periodic table that has been posted is not the correct periodic…

Q: 68.) How many elements? a nickel, Z=28 3d electrons .are founcl in each of the following b.…

A: The electronic configuration of the element follows some rules .