Chemistry Chemistry Practice Problems Solutions Library

The Electron Configuration Solutions Library

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203 solutions

The Electron Configuration

Q. Which of the following is true about the electron configurations of the noble gases?A. The highest occupied s and p sublevels are completely filled...

Solved • Nov 23, 2020

The Electron Configuration

Q. Rank the following orbitals in terms of their energies.7s, 4f, 5f, 5p, 6d, 5d

Solved • Nov 23, 2020

The Electron Configuration

Q. How many valence electrons does Krypton has if its electron configuration is [Ar] 3d10 4s2 4p6

Solved • Nov 18, 2020

The Electron Configuration

Q. An accepted abbreviation format is to write an electron configuration that includes a noble gas symbol in brackets. If you were writing an electron...

Solved • Nov 10, 2020

The Electron Configuration

Q. Which one of the following is the correct orbital diagram for nitrogen? 

Solved • Nov 10, 2020

The Electron Configuration

Q. The element with a completely filled p-subshell is AI Ar P Na 

Solved • Nov 10, 2020

The Electron Configuration

Q. A metal ion with a net +3 charge has five electrons in 3d subshell. Identify the metal

Solved • Oct 23, 2020

The Electron Configuration

Q. In which of the following sets do all species have the same number of electrons?A) F-, Ne, Mg2+B) Ge, Se2-, Br-C) K+, Rb+, Cs+D) Br, Br-, Br+

Solved • Oct 23, 2020

The Electron Configuration

Q. How many unpaired electrons are there in the ground state electronic configuration of As?A. 2B. 0C. 1D. 4E. 3

Solved • Oct 23, 2020

The Electron Configuration

Q. Which element has the following ground-state electron configuration? [Kr]5s14d5 A) Mn B) Mo C) NbD) Re E) Tc 

Solved • Oct 19, 2020

The Electron Configuration

Q. Which ground-state atom has an electron configuration described by the following orbital diagram? A) phosphorus B) nitrogen C) arsenic D) vanadium ...

Solved • Oct 19, 2020

The Electron Configuration

Q. What is dn for each of the following complexes?

Solved • Oct 19, 2020

The Electron Configuration

Q. Part B. The atomic orbitals of two bromine atoms combine to form the diatomic Br2 molecule. Use the periodic table to determine the atomic orbitals...

Solved • Jul 2, 2020

The Electron Configuration

Q. Which element has the following configuration: [Xe]6s24f5?The electron configuration of an atom tells us how many electrons are in each orbital. Fo...

Solved • Jul 2, 2020

The Electron Configuration

Q. What is the ground-state electron configuration of a neutral atom of titanium?The electron configuration of an atom tells us how many electrons are...

Solved • Jul 2, 2020

The Electron Configuration

Q. Identify the general outer electron configuration for each group of elements shown in this periodic table outline.The periodic table lists all know...

Solved • Jul 2, 2020

The Electron Configuration

Q. The black line between elements 56 and 72 in the periodic table shown indicates that in the Lanthanide series elements 57 through 71 are listed bel...

Solved • Jul 2, 2020

The Electron Configuration

Q. Part D. Ag has an anomalous electron configuration. Write the observed electron configuration of Ag. Express your answer in complete form in order ...

Solved • Jul 2, 2020

The Electron Configuration

Q. Part C. The electron configuration can also be represented by writing the symbol for the occupied subshell and adding a superscript to indicate the...

Solved • Jul 2, 2020

The Electron Configuration

Q. Part A. In the animation, you can see that the electrons occupy different orbitals according to the energy level of each orbital. A single box repr...

Solved • Jul 2, 2020

The Electron Configuration

Q. Classify each orbital diagram for ground-state electron configurations by the rule or principle it violatesWhen writing the ground-state electron c...

Solved • Jul 2, 2020

The Electron Configuration

Q. During an emission, electrons move from a higher energy orbital to a lower energy orbital. Which of the following are valid transitions that produc...

Solved • Jul 2, 2020

The Electron Configuration

Q. Part D. Show the orbital-filling diagram for Br (bromine). Order subshells by energy, with the lowest-energy subshell at the left.To learn to creat...

Solved • Jul 2, 2020

The Electron Configuration

Q. Part C. Show the orbital-filling diagram for S (sulfur). Order subshells by energy, with the lowest-energy subshell at the leftTo learn to create o...

Solved • Jul 2, 2020

The Electron Configuration

Q. Part B. Show the orbital-filling diagram for N (nitrogen). Order subshells by energy, with the lowest-energy subshell at the left.To learn to creat...

Solved • Jul 2, 2020

The Electron Configuration

Q. Give the actual ground-state electron configuration for copper (Cu) using the complete form. Express the electron configuration using superscripts ...

Solved • Jul 2, 2020

The Electron Configuration

Q. Give the complete ground-state electron configuration for silicon (Si).Express the complete electron configuration using superscripts where appropr...

Solved • Jul 2, 2020

The Electron Configuration

Q. Part C. Electron configurations are a shorthand form of an orbital diagram, describing which orbitals are occupied for a given element. For example...

Solved • Jul 2, 2020

The Electron Configuration

Q. Part B. Complete an orbital diagram for scandium (Sc)Draw orbital diagrams, and use them to derive electron configurationsTo understand how to draw...

Solved • Jul 2, 2020

The Electron Configuration

Q. Part A. Complete an orbital diagram for boron.Draw orbital diagrams, and use them to derive electron configurationsTo understand how to draw orbita...

Solved • Jul 2, 2020

The Electron Configuration

Q. Part C. A certain element forms an ion with 18 electrons and a charge of +2. Identify the element.Express your answer as a chemical symbol. A main ...

Solved • Jul 1, 2020

The Electron Configuration

Q. Enter a balanced equation for the reaction of chlorine gas with bromine gas.Express your answer as a chemical equation. Identify all of the phases ...

Solved • Jun 25, 2020

The Electron Configuration

Q. Show the orbital-filling diagram for Br (bromine). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the hi...

Solved • Jun 16, 2020

The Electron Configuration

Q. What element forms an ion with an electronic configuration of [Ne] and a -2 charge? Give the symbol for the element.

Solved • Apr 29, 2020

The Electron Configuration

Q. How many unpaired electrons are present in the ground state of an atom from each of the following groups?1.) Group 4A2.) Group 6A3.) The halogens4....

Solved • Apr 29, 2020

The Electron Configuration

Q. Which element has the ground state electron configuration [Ar]3d104s1? a. Cu b. Zn c. Ge d. Ag e. Cd

Solved • Apr 29, 2020

The Electron Configuration

Q. Which atom has the ground state electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d3?  a. Ga b. V c. As d. Nb e. none

Solved • Apr 29, 2020

The Electron Configuration

Q. Which of the following electron configurations is not allowed? a. 1s22s22p5b. 1s22s22p1 c. 1s22s5d. 1s22s22p63s2e. 1s22s22p2

Solved • Apr 29, 2020

The Electron Configuration

Q. Construct the orbital diagram for Ni.

Solved • Apr 28, 2020

The Electron Configuration

Q. Ag has an anomalous electron configuration. Write the observed electron configuration of Ag. Express your answer in complete form in order of incre...

Solved • Apr 27, 2020

The Electron Configuration

Q. Pd has an anomalous electron configuration. Write the observed electron configuration of Pd.Express your answer in complete form in order of increa...

Solved • Apr 21, 2020

The Electron Configuration

Q. Cu has an anomalous electron configuration. Write the observed electron configuration of Cu.Express your answer in complete form in order of increa...

Solved • Apr 21, 2020

The Electron Configuration

Q. Construct the orbital diagram for As.HintStart by adding the appropriate subshells. For example, carbon is in the 2p block of the periodic table, a...

Solved • Apr 14, 2020

The Electron Configuration

Q. Arrange the first ten energy sublevels by increasing energy.

Solved • Mar 31, 2020

The Electron Configuration

Q. Which neutral atom has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2?

Solved • Mar 25, 2020

The Electron Configuration

Q. Write the full ground-state electron configuration for each element.(a) S: (b) Kr: (c) Cs:

Solved • Mar 23, 2020

The Electron Configuration

Q. Which of the following have their valence electrons in the same shell?A. Li, N, FB. B, Si, AsC. N, As, BiD. He, Ne, F

Solved • Mar 20, 2020

The Electron Configuration

Q. Write the corresponding electron configuration for the following pictorial representation. ve the full electron configuration (do not use the noble...

Solved • Mar 20, 2020

The Electron Configuration

Q. The electron configuration 1s22s22p63s23p64s13d9 refers to the excited state of what element?A. NiB. CuC. PdD. AgE. Zn

Solved • Nov 28, 2019

The Electron Configuration

Q. Fe has __________ that is (are) unpaired in its d orbitals.A. one electronB. two electronsC. three electronsD. four electronsE.none of these

Solved • Nov 22, 2019

The Electron Configuration

Q. Give the full ground-state electron configuration for the element. Sea. 1s22s22p63s23p64s23d104p2b. 1s22s22p63s23p64s23d104p65s1c. 1s22s22p63s23p64...

Solved • Nov 21, 2019

The Electron Configuration

Q. Select the ground state electron configuration of Bi.(a) [Xe] 6s25d106p3(b) [Xe] 7s25f145d107p3(c) [Xe] 6s24f145d106p3(d) [Xe] 6s26f146d106p3(e) [X...

Solved • Oct 19, 2019

The Electron Configuration

Q. The atomic number of chlorine is 17. Give the electron configuration for a neutral atom of chlorine.

Solved • Sep 3, 2019

The Electron Configuration

Q. How many electrons must be gained by the following atom to achieve a stable electron configuration?Phosphorus

Solved • Aug 25, 2019

The Electron Configuration

Q. How many electrons must be gained by the following atom to achieve a stable electron configuration?Chlorine

Solved • Aug 25, 2019

The Electron Configuration

Q. How many electrons must be gained by the following atom to achieve a stable electron configuration?Sulfur

Solved • Aug 25, 2019

The Electron Configuration

Q. How many electrons must be gained by the following atom to achieve a stable electron configuration?Nitrogen 

Solved • Aug 25, 2019

The Electron Configuration

Q. How many electrons must an atom of the element lose to attain a noble-gas electron configuration?Li

Solved • Aug 25, 2019

The Electron Configuration

Q. How many electrons must an atom of the element lose to attain a noble-gas electron configuration?Al

Solved • Aug 25, 2019

The Electron Configuration

Q. How many electrons must an atom of the element lose to attain a noble-gas electron configuration?Ca

Solved • Aug 25, 2019

The Electron Configuration

Q. What is the electron configuration of the neon atom?

Solved • Aug 7, 2019

The Electron Configuration

Q.  What is the electron configuration of potassium?

Solved • Aug 7, 2019

The Electron Configuration

Q. What is the correct electron configuration for silicon?

Solved • Aug 7, 2019

The Electron Configuration

Q. How do you write the noble-gas electron configuration for bromine?

Solved • Aug 7, 2019

The Electron Configuration

Q. How to write the electron configuration for sulfur? (z = 16)

Solved • Aug 7, 2019

The Electron Configuration

Q. Electronic configuration of bromine?

Solved • Aug 7, 2019

The Electron Configuration

Q. How do you draw the electron configuration diagram for manganese?

Solved • Aug 7, 2019

The Electron Configuration

Q. What element has the electron configuration 1s2 2s2 2p6 3s2 3p2?

Solved • Aug 7, 2019

The Electron Configuration

Q. What is the electron configuration of chlorine?

Solved • Aug 7, 2019

The Electron Configuration

Q. What is the unabbreviated electron configuration of gold?

Solved • Aug 7, 2019

The Electron Configuration

Q. What is the electron configuration for bromine?

Solved • Aug 7, 2019

The Electron Configuration

Q. How do you determine the electron configuration of Fe?

Solved • Aug 7, 2019

The Electron Configuration

Q. Which element has the following ground-state electron configuration?1s22s22p63s2a. Nab. Mgc. Ald. Sie. Ne

Solved • Aug 6, 2019

The Electron Configuration

Q. How many unpaired electrons does a ground-state atom of sulfur have?a. 0b. 1c. 2d. 3e. 4

Solved • Aug 6, 2019

The Electron Configuration

Q. Construct an orbital diagram to show the electron configuration for a neutral magnesium atom, Mg.

Solved • Aug 5, 2019

The Electron Configuration

Q. Electron ConfigurationThe procedure by which electrons are assigned to (or built up into) orbitals is known as the                principle.Give an...

Solved • Aug 2, 2019

The Electron Configuration

Q. According to Hund's rules, the lowest (ground) state of the silicon atoma. has four unpaired electronsb. has three sets of paired electronsc. has 2...

Solved • Jul 10, 2019

The Electron Configuration

Q. Complete an orbital diagram for boron. Complete an orbital diagram for scandium (Sc).

Solved • Jul 9, 2019

The Electron Configuration

Q. Consider the molecule BF3.What is the electron configuration of an isolated B atom?

Solved • Nov 12, 2018

The Electron Configuration

Q. The following do not represent valid ground-state electron configurations for an atom either because they violate the Pauli exclusion principle or ...

Solved • Nov 12, 2018

The Electron Configuration

Q. Two possible electron configurations for an Li atom are shown here.In the absence of an external magnetic field, can we say that one electron confi...

Solved • Nov 12, 2018

The Electron Configuration

Q. Four possible electron configurations for a nitrogen atom are shown below, but only one schematic represents the correct configuration for a nitrog...

Solved • Nov 12, 2018

The Electron Configuration

Q. For an He+ ion, do the 2s and 2p orbitals have the same energy? If we add one electron to form the He atom, would your answer change?

Solved • Nov 12, 2018

The Electron Configuration

Q. In a many-electron atom, can we predict unambiguously whether the 4s orbital is lower or higher in energy than the 3d orbitals?

Solved • Nov 12, 2018

The Electron Configuration

Q. For the hydrogen atom, list the following orbitals in order of decreasing energy: 3s, 2s, 2p, 5s, 4d.

Solved • Nov 12, 2018

The Electron Configuration

Q. Write the electron configuration for Li.

Solved • Nov 12, 2018

The Electron Configuration

Q. Identify the specific element that corresponds to each of the following electron configurations.1s2 2s2

Solved • Nov 12, 2018

The Electron Configuration

Q. Identify the specific element that corresponds to each of the following electron configurations.1s2 2s2 2p4

Solved • Nov 12, 2018

The Electron Configuration

Q. Identify the group of elements that corresponds to the following generalized electron configuration: [noble gas] ns2np5

Solved • Nov 12, 2018

The Electron Configuration

Q. Identify the elements that correspond to the following generalized electron configuration: [noble gas]ns2(n -2)f7

Solved • Nov 12, 2018

The Electron Configuration

Q. Indicate the number of unpaired electrons for the following: [noble gas] ns2np5

Solved • Nov 12, 2018

The Electron Configuration

Q. What does each box in an orbital diagram represent?

Solved • Nov 12, 2018

The Electron Configuration

Q. What quantity is represented by the half arrows in an orbital diagram?

Solved • Nov 12, 2018

The Electron Configuration

Q. The orbital diagram that follows shows the valence electrons for a 2+ ion of an element. What is the element?

Solved • Nov 12, 2018

The Electron Configuration

Q. General energy ordering of orbitals for a many-electron atom.Not all of the orbitals in the n exttip{n}{n}= 4 shell are shown in this figure. Which...

Solved • Nov 12, 2018

The Electron Configuration

Q. A carbon atom can absorb radiation of various wavelengths with resulting changes in its electron configuration. Write the orbital diagrams for the ...

Solved • Nov 12, 2018

The Electron Configuration

Q. Consider the following elements: P, Ca, Si, S, Ga.Enter the electron configuration for S.

Solved • Nov 12, 2018

The Electron Configuration

Q. Write full orbital diagrams for each of the following elements.S

Solved • Nov 12, 2018

The Electron Configuration

Q. Write full orbital diagrams for each of the following elements.He

Solved • Nov 12, 2018

The Electron Configuration

Q. Write orbital diagram to represent the electron configurations-without hybridization-for F in SF2.

Solved • Nov 12, 2018