If calcium has an emission line at 657 nm, the electron travels from what energy level to n = 2? n₁ =? 5 1 4 3

Q: What is the Pauli Exclusion Principle?

A: Electronic arrangement of atoms and molecules is given by several principles.

Q: emitted when an electron decays from the n=6 to the n=1 energy level?

A: We will use relation with  quantum number and frequency.

Q: Identify the sub-shell in which electrons with the following quantum numbers are found:   n=1, l=0…

A: Given that:  Principle quantum number(n) = 1 Azimuthal quantum number(l) = 0

Q: write the full electron confuguration for zinc

A: Zinc lies in d-block elements in 3d series with d orbital fully filled thus making it stable.

Q: Rank the following atoms in order of increasing Atomic Size: In, Ga, Sr, S, Cs

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Q: Part B the second ionization energy of oxygen O O(g) + e¯ →0-(g) O ot(g) → O²+(g) + e¯ O (g) + 2e…

A:

Q: Using the data below, calculate the change in energy expected for each of the following processes.…

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

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: What is the Pauli exclusion principle? Explain with an example?

A: Electronic arrangement of atoms and molecules is given by several principles.

Q: Kr CI Xe As Which of these atoms would yield a free electron with the highest kinetic energy when…

A: Energy of photon(E) = = 2.18×10-18(1/n12 - 1/n22) = 2.18×10-18×(1/1- 1/1/16) E = 2.04 ×10-18 J…

Q: Which electron(s) in the S atom experience the greatest shielding of the nucleus? 2p 2s 1s 3p 3s

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Q: This energy diagram shows the allowed energy levels of an electron in a certain atom. (Note: the SI…

A: Given: The energy digram:

Q: Which transition would correspond to the highest frequency of light emitted? Select one:

A: Answer is  n=4 to n = 1

Q: What is the e/m ratio of an electron?

A: e = charge of an electron, m= mass of electron  J.J.Thomson was able to determine the e/m ratio by…

Q: Electron affinity, EA, is the energy required to add an electron to a neutral gaseous atom and is…

A: Electron affinity is defined as the energy required to add an electron to a neutral gaseous atom or…

Q: how do you calculate the energy levels of a hydrogen atom? i know E1= -2.178x10^-18/1^2J/atom =…

A: Answer: From Bohr's postulates energy of nth energy level in single electron system is:…

Q: 2) Define the Pauli Exclusion Principle and contrast it to the Pauli Principle

A: Pauli Exclusion Principal :  Pauli Exclusion Principal state that no two electrons in the same atom…

Q: Look at the following orbital diagram. What principle/rule does it break? 1s 2s 2p Pauli's Exclusion…

A:

Q: In the ground state of an atom of silver (Ag), how many electrons will there be with the quantum…

A: Given Atom silver (Ag) Which atomi. Number is 47 Angular quantum number (l) = 1

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

A: Answer - The correct option is -(b) = 3 Solution -

Q: How many electrons in a atom can have the designation of  5fx(z2-y2)?

A: Each orbital is having maximum number of  2 electrons , one is clcokwise direction and another…

Q: An unidentified element is known to have an electron configuration, [X] ns2, in its ground state.…

A:

Q: What is wrong with the electron configuration?  1s^42s^42p^12

A: The electronic configuration of element is given by the  S , P , d , f orbitals. The maximum number…

Q: lonization energy: The minimum energy needed to remove an electron from an atom. le. If the atom is…

A: The ionization energy (IE) of a neutral atom determines the binding capacity of the electrons in an…

Q: Which of the following statements is TRUE? Select one: The maximum number of electrons in the second…

A: Each shell can contain only a fixed Number of electrons.

Q: Which of the following atom has a subshell which is half filled? O Ba O Fe O Au O Ar O Zn

A: The electron configuration of an element describes how electrons are distributed in its atomic…

Q: How many electrons are possible in the n = 3 energy level? -- 2  8 18 32 36

A: Principle quantum number represents the shell in which an electron is present. It is represented by…

Q: Arrange atoms C, K, Ge, Cs in order of: decreasing atomic size:

A: Distance from the  centre of nucleus of an atom to the outermost shell is termed as atomic size.

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: Write the standard isotopic notation for the following atom a) 3p, 3e , 3n

A: • The values provided in the question are:-     i) Number of protons in an atom = 3  ii) Number of…

Q: How many electrons can be found in the following? a) the third energy level (n=3) b) an "f" orbital

A: The question is asking for the number of electrons that can be found in a) the third energy level…