What is a pseudo–noble gas configuration? Give an exampleof one ion from Group 3A(13) that has it.

Q: A. An element with the valence electron configuration 3s² would form a monatomic ion with a charge…

A: A) As we know the element with valence electronic configuration 3s2 is Magnesium (Mg) which is form…

Q: An unknown element is a nonmetal and has a valence electron configuration of ns2np4a. How many…

A: Since you have posted a question with multiple sub-parts, we are entitled to answer the first 3…

Q: All the noble gases have stable configuration ns2, np6 except He.

A: The given statement is, All the noble gases have stable configuration ns2, np6 except He.

Q: Anomalies to predicted trends in fırst-ionization energy occur around which groups on the periodic…

A: Ionization energy : The minimum amount of energy is required to knock out the most loosely bound…

Q: What is the key distinction between sublevel energies in one-electron species, such as the H atom,…

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Q: Atoms of which group in the periodic table have a valence shell electron configuration of ns2?

A: Concept introduction: The modern periodic table is designed aligning elements according to their…

Q: Write the condensed electron configuration for Mo, Hg+, S2- (42Mo, 80Hg, 16S)

A: Condensed electron configuration for Mo is [Kr] 5s¹ 4d⁵ Expanded electron configuration for Mo is…

Q: (a) Write the electron configuration for Li and estimate theeffective nuclear charge experienced by…

A: Hi there, as there are multiple questions posted. We are answering the first question. If you need…

Q: what wave length (in nm) of light is emitted when an electron transitions from the n=10 to the…

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Q: Write the complete ground-state electron configuration of Ca²+.

A: The atomic number of calcium atom is 20. The Ca2+ion is formed by the removal of two electrons from…

Q: A. If an element with the valence configuration 4s²3d° loses 3 electron(s), these electron(s) would…

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Q: Use the trends in ionization energy and electron affinity to explain why calcium fluoride has the…

A: The energy requirement associated with an atom to remove an electron from its outermost shell is…

Q: 7.119 The first four ionization energies of an element areapproximately 738, 1450, 7.7 × 103 , and…

A: The first four ionization energies of an element are approximately 738, 1450, 7.7 × 103, and 1.1 ×…

Q: 10. Which one of the following species is not isoelectronic E. 0²- A.Mg2+ B. SI²* with neon? C. Na*…

A: Species which have the same number of electrons are called isoelectronic species.

Q: Write the full electron configuration of the Period 3 elementwith the following successive IEs (in…

A: Ionization energy is the energy required from removing valence electron from an atom, where the…

Q: How many valence electrons are in an element belonging to period 2, group 16? Paragraph v B I U A Ev…

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Q: Despite the expected decrease in atomic size, there is an unexpected drop in IE1 values between…

A: Ionization enthalpy, IE, is also called ionization potential is the ability to remove the electron…

Q: Write shortly about the followings: 1- Semimetals or metalloids 2-The average valence electron…

A: Concept introduction: Periodic table is divided into four blocks that are s,p,d and f blocks. s, d…

Q: [Ar]4s 23d 104p 3 is the electron configuration of a(n), O v atom. As Sb P O Sn

A: The electronic configuration written in the question is aufbau principle of electronic…

Q: Kr: 1s?. i Krypton is found in period 4 of the periodic table. Explain how the electron…

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Q: . The abbreviated electron configuration [Ar] 4s23d104p1 corresponds to the element: 2. The number…

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Q: Briefly explain the errors in each of the three noble gas core configurations below and give the…

A: The electronic configuration is the arrangement of electron's distribution in the orbitals.…

Q: the full electron configuration for S^2-

A: S2- suggests that two electron have been added to sulfur Number of electrons in elemental sufur = 16…

Q: Write the condensed (noble-gas) electron configuration of Si.

A: The complete electron configuration of elements can be written by filling the electrons into…

Q: Write the complete ground-state electron configuration of Fe2+.

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Q: 6. (8) In general, as effective charges increases, ionization energy (/,) also increases. Explain…

A: Effective charge is the attractive positive charge of nuclear protons acting on the valence…

Q: Which of the following elements are fourth period semimetals? Al and Si Si and Ge Sb and Te Po and…

A: Metalloids, also known as semi-metals, are elements containing properties similar and midway between…

Q: A = [Kr] 5s' B=[Ar] 3d10 4s² 4p A. Is the element A a metal, nonmetal, or metalloid ? Metal B. Which…

A: Electronic configuration is the arrangement of electrons in the atomic orbitals of an atom.

Q: Question attached

A: Given information: IE1=520 kJ/molIE2=9540 kJ/molIE3=11680 kJ/mol

Q: Arrange the following chemical species in order of increasing atomic radius. Explain your…

A: Along the period, atomic radius decreases because of increase in effective nuclear charge.  Down the…

Q: Write the condensed (noble-gas) electron configuration of Mn.

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Q: Write the full electron configuration of the Period 2 element with the following successive IEs (in…

A: The objective of the question is to predict which of the element in period 2 will give the following…

Q: Which is higher in energy, the 2s or 2p orbitl, in hydrogen? Is this also true for helium? Explain.

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Q: What's the full electron configuration of the atom CI ? O 1s? 2s? 2p6 3s² 3p5 1s? 2s? 2p6 3s? 3p4 O…

A: Given  Atom = Cl Full Electronic configuration = ?

Q: element X has an electron affinity of 295.3 kJ/mol and the following ionization energies (in…

A: From the given data, the ionization energy increases indicates the energy requires more to remove…

Q: 7. The general electron configuration for atoms of all elements in Group 5A is A) ns'np B) ns²np³ C)…

A: We have to select the general electron configuration for group 5A elements

Q: Write the complete grounded-state electron configuration of Pb2+

A: Write the complete grounded-state electron configuration of Pb2+ ?

Q: Give the ground-state electron configurations of the fol- lowing elements: (a) P (b) Тс (c) Ho

A: Electronic configuration refers to the distribution of electrons in the different shells of an atom.…

Q: The element of electron configuration: [Xe]6s²4f\45dl©6p? is O a. La O b. Hg O c. Cs O d. Pt O e. Pb

A: For writing electronic configuration electrons are filled in the orbitals having lower energy to the…

Q: What element forms an ion with an electronic configuration of [Ar][Ar] and a −2−2 charge?

A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…

Q: Write the ground state electron configuration for SF6.

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Q: A. If an element with the valence configuration 4s²3d loses 3 electron(s), these electron(s) would…

A: When d transition metal ionise, it loses its outer s electron  before it loses any electrons.

Q: What element has the abbreviated electron configuration of [Kr]5s24d2?

A: Given Electronic configuration: [Kr]5s24d2Zirconium is a chemical element with the symbol Zr, and…

Q: An atom of sodium has the electron configuration [Ne]6s1.Explain how this is possible

A: Electronic configuration could be defined as distribution of electrons in molecule (or) atom in…

Q: Which of the following has the electron configuration 1s? 2s2 2p 3s2 3p6 4s2 3d$? O Mn O Ca O Br O…

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Q: Arrange the following chemical species in order of increasing atomic radius. Explain your…

A: Radius of an atom is measured from the nucleus of the atom to the outermost shell. The elements in a…

Q: Boron, atomic number 5, occurs naturally as two isotopes, 10B and 11B, with natural abundances of…

A: Hi, Since you have posted multiple sub part questions as per our guidelines we will answer first…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.