How many unpaired electrons does Sc have? Key Concept: Hund's rule: The lowest energy of electrons in a subshell is obtained when electrons go into separate orbitals of the subshell with the same spin.   A 3   B 4   C 1   D 2

Q: Compare two electrons in a multi-electron atom: one is in a 3p orbital and the second is in a 3d…

A: The electron present near the nucleus experience more effective nuclear charge . Effective nuclear…

Q: 44. Draw a good orbital diagrams or ground state Crand indicate if it is diamagnetic or…

A: Introduction: The atomic number of chromium is 24. It is represented by the symbol Cr It belongs to…

Q: Challenge! An electron orbital has a round, spherical shape (s-orbital). Its n value equals 3. What…

A: Quantum numbers are the set of numbers that describes the postion of an electron in an atom  There…

Q: Which of the subshell designations are possible and which are impossible? Possible Impossible

A: 1) n = principal quantum number (1,2,3....n) only positive  2) l = orbital angular momentum quantum…

Q: Select all of the subshell possible for n=2 principal shell

A: There are two subshells for n=2 principle  shell.

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

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Q: For a hydrogen-like atom, classify the electron transitions according to whether they result in the…

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Q: Question 1: Answers each of the following a) What are the principles and rules, we should consider…

A: "Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Which atom or ion has the fewest unpaired electrons in its ground state? Select one:

A: a. Na--- 1s22s22p63s1-------------one unpaired electron b. O----1s22s22p4-----------------two…

Q: Give the EXPECTED abbreviated electron configuration for the ground state of the element shown below…

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

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: Answer all of this please.  Give the orbital notation if the last main energy level and the quantum…

A: Electronic configuration (E.C.) of Rubidium (Rb): [Kr]5s1 For 5s1: principal n=5Azimuthal/angular…

Q: Q14a. What are the possible orbitals for: n = 3, / = 2, n = 4 Q14b. How many different values of m/…

A: Principal quantum number (n): It determines the size and energy of a particular shell. It can have…

Q: How many electrons (maximum) can occupy the 5 p subshell Key Concept: Occupancy in subshell depends…

A: Given : Subshell 5p.

Q: According to Hund's rule, which of the following atoms and ions are predicted to have unpaired…

A: To know about unpaired electrons, first we have to write down electronic configurations:

Q: Select the correct condensed electron configuration of a ground-state atom of manganese (Z =25).

A: Electrons are filled first in the orbitals with lowest energy and then successively added to the…

Q: Column A Column B No two electrons in an atom can have the same set of n, I, ml and ms quantum…

A: CORRECT ANSWERS ARE : 1) - (n) Pauli Exclusion principle. 2) - (i) Electronic configuration. 3) -…

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: C Solved: One reason spe X Y One reason spectrosco X y Choose all possible valu X…

A: The distribution of the electrons of the atom or the molecule in the molecular or atomic orbitals is…

Q: Question 10 For the n = 3 shell, what is the maximum number of orbitals available for electron…

A: For a given value n the maximum number of orbital available is n2

Q: orbital? C. n = 5 and ml = 2 a. n = 1, 2, 3, 4, or 5 and ml = 2. d. n = 5 and ml = -2, -1, 0, +1, or…

A: Given orbital 5d Principal Quantum Number = n = To be determined  Magnetic Quantum No = ml = To be…

Q: According to Hund's rule as many electrons in a subshell as possible have.. Select one: a. the same…

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Q: Place the following orbitals in order in increasing energy in a multielectron atom: Top label:…

A: According to the above-given value of the principal quantum number, (n) and Azimuthal quantum…

Q: Silicon (Z=14) has how many unpaired electrons in its ground state electron configuration?

A: We can calculate number of unpaired electrons by writing electronic configuration of silicon.  s-…

Q: correct answer

A: Size of any element is determined by number of valence electrons present outermost orbital . There…

Q: Post test Directions: Read each question carefully. Choose the letter of the correct answer. Write…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Which of the following statement corresponds to Pauli Exclusion principle?   Question 3 options:…

A: Pauli Exclusion principle states that the two electrons in the same atom can not be in the same…

Q: For a hydrogen-like atom, classify the electron transitions according to whether they result in the…

A:

Q: Assign quantum numbers to an electron, according to its location in an atom. What set of quantum…

A: There are four types of quantum numbers. They are generally denoted by n, l , ml and ms For a given…

Q: Question 2 Which of the following sets of quantum numbers can be used to describe the 2 electrons in…

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Q: Which of the following atoms and ions has the correct condensed electron configuration? (Note: The…

A: Choose correct condensed electronic configuration---

Q: How many electrons does a Mn atom have in its 3d subshell? number of electrons: 3d electrons How…

A: Manganese is a member of the 3d-transition metal and the atomic number of manganese is 25. The…

Q: Arrange the following elements in order of increasing size: Al, B, C, K. and Na. (Try doing it…

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Q: Which is the correct electron configuration for Sb 2+ in its ground state? Key Concept: Aufbau…

A: Given, Ion is Sb2+

Q: hich statement is false? Group of answer choices For a given value of the principal quantum number…

A: To determine the false statement

Q: Which of the following atoms and ions has the correct condensed electron configuration? (Note: The…

A: Applying concept of electronic configuration.

Q: Which electron configuration represents a violation of Hund's rule for an atom in its ground state?…

A: We  have to identify the following given options for electronic configuration that represents a…

Q: FOUNDATION IN SC SEMESTER 2 FSC CHE 124 CHEMIS QUESTION 3 A group of scientist discovered Element Z.…

A: Halogen is belong to 17th group in periodic table

Q: Four possible electron configurations for a nitrogen atom are shown pelow, but only one schematic…

A: Atomic number of N is 7 which means N has total 7 electrons.  Electron configuration : 1s22s22p3

Q: Question 4 The Bohr model of the atom assumes that which of the following quantities for the…

A: (i), (iii) and (iv)

Q: 5. Down a group in the periodic table: Do you think the ionization energy of Lithium (Li) is larger…

A: The answer and explanation can be given as:

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: Looking at the last electron entered in Br the principle quantum number n is ____________ the…

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Q: Consider principle energy level n=2. a. How many subshells are in n= 2? b. How many orbitals are in…

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Q: Which quantum number correspond to 7 orbitals? Select all that apply. A 5f B 6d 7s 4p

A: Given : 5f , 6d , 7s , 4p To find : 7 orbital present

Q: Answer Bank Effective nuclear charge decreases from left to right across a period on the periodic…

A: Effective nuclear charge  Zeff = Z -S  where Z = atomic no. And S = shielding electrons

Q: For the n= 3 electron shell, which of the following quantum numbers are valid? Check all that apply.…

A: 'n' is principal quantum number which tells us about the main energy level of electron (shell).'l'…

Q: QUESTION 2 Consider the following spdf notation of the +2 ion:…

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