Q: To which group of the periodic table does the general valence electron configuration ns2np4…
A: ns2np4 means 2 electrons in outer s orbital and 4 in outer p orbital
Q: Which following element has the condensed electron configuration [Kr] 4d¹⁰ ? a. Germanium (Ge) b.…
A: Electron configuration is the listing of atomic orbitals and the arrangement of electrons in each…
Q: 7.106 What is the electron affinity (in kJ/mol) of the Na+ ion?
A: The electron affinity of Na+ ion has to be given.
Q: In the isoelectronic series Ca2 + , Cs+, Y3 + , which ion islargest?
A: Among Ca2+, Cs+, Y3+ the largest ion will be:
Q: Which of the following species is diamagnetic in its ground state? 022 O 0,2- O2 02
A: Diamagnetic are those species in which all the electrons are paired. Paramagnetic are those species…
Q: Species that have the same number of electrons are described as isoelectronic. What +2 ion is…
A: Isoelectronic species can be defined as the species containing the same number of electrons. The…
Q: Which element below has the largest second ionization energy (IE₂)? Mg OOO O Ca
A: The Ionization energy decreases from top to bottom in groups, and increases from left to right…
Q: The first four ionization energies of an element X are 578, 1817, 2745, and 11,577 kJ·mol–1. What is…
A: The number of valence electrons can be found in the element X using the ionisation energies Since…
Q: Write the electron configurations for (a) Ca2+, (b) Co3+, and (c) S2-.
A: Calcium loss 2 electrons and cobalt loss 3 electrons and sulphur gains 2 electrons
Q: How is it that 147N has 5 electrons?
A: An isotope is represented by the system given as,AZX In this notation, X is the symbol of an…
Q: What +2 ion has the electron configuration: [Kr]4d?
A: Given that : We have to determine what +2 ion has the electron configuration : [Kr]4d2
Q: Which of the following atoms and ions is largest: S2 - , S, O2 - ?
A: An atom is composed of three main sub-atomic particles; electrons, neutrons and protons. The atomic…
Q: Which of these ions is isoelectronic to the oxide anion O2 ? A) K* B) Mg²* C) CI D) S? E) Pb2*
A: Isoelectronic species can be defined as the species containing the equal number of electrons. Toe…
Q: Write the condensed (noble-gas) electron configuration of Cr²⁺, Co2+,Mn4+,and Cr3+
A:
Q: A main group element with the valence electron configuration 4s24p4 is in periodic group ______ .It…
A: The outer electronic configuration of the element is 4s2 4p4. This implies that it has 6 electrons…
Q: Give the full electron configuration of Be2+.
A:
Q: The first three ionization energies of an element X are 497, 4560, and 6911 kJ-mol-1. What is the…
A: Ans: X+…
Q: Which of the following statements about the bonding atomicradii in Figure 7.7 is incorrect? (i) For…
A: The given statement (i) is correct because on moving from left to right, the nuclear force of…
Q: Which of the following elements would you expect to have the lowest first ionization energy? As Sb…
A: The atomic number increases as we go down the group. So, due to the increase in atomic number, the…
Q: The electron distribution of the -1 charged ion of the Cl atom is similar to that of which atom? O…
A: Given: Which atom will have similar electron distribution as that of the Cl atom with -1 charge.
Q: 2. Explain a) Ionic ar b) Non-po
A: A) Ionic bond is formed by compete transfer of electron and covalent boned is formed by sharing of…
Q: Would you expect manganese(II) oxide, MnO, to react morereadily with HCl(aq) or NaOH(aq)?
A: Manganese(II) oxide (MnO) is a metal oxide and it can readily react with acids to form its salt and…
Q: Fill in the orbital energy diagram for the nitride ion. E 2s 1s 2p
A:
Q: Which of the following atoms and ions is (are) isoelectronic with 15² + ₂ (A) As³+ B) Ar (C) C₁³+ D…
A: Isoelectronic species refer to those which consist of the same number or count of valence electrons.…
Q: 3. Does the reaction of a main-group metal oxide in water produce an acidic or a basic solution?…
A: Metal oxides are crystalline solids that contain a metal cation and an oxide anion. Main group metal…
Q: (ii) Lithium shows a diagonal relationship with magnesium, A) Why are these elements diagonally…
A: A.Following are the main reason of diagonal relationship shown by Li and Mg.
Q: Which of the following species is diamagnetic? O 02 O Q2 O 02*
A: The atoms which have no unpaired electrons left to be paired. It is then known as a diamagnetic…
Q: 6. From the Periodic table, choose 2 metals from the Alkaline metal series, 2 metals from the…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: Whic of the following elements has the highest first ionization energy? a) C b) B c) F d)Li e)…
A: Since we know that Ionization energy is the amount of energy needed to remove an electron from…
Q: Which of the following statements about the bonding atomicradii in Figure 7.7 is incorrect? (i) For…
A: Within each period the effective nuclear charge increases from left to right. Due to that the…
Q: Would you expect Be2+ to be a stable ion?
A: Molecular orbital theory (MOT) is a method which is used to explain the bonding in the molecules.…
Q: What is the zeff, atomic radius, and ionization energy of Arsenic?
A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…
Q: Which of these ions is isoelectronic to the oxide anion O2-? A) K* B) Mg² C) CI- D) S?- E) Pb2+
A: Isoelectronic species : Two species with same electronic configuration are called isoelectronic…
Q: Which items from the following list are diamagnetic? Mg, Mo, Si , Hg
A: in outermost shell orbitals contains. Unpaired electrons exhibit paramagnetism Atom or ion with All…
Q: Which of the following elements has the highest first ionization energy O N O Na
A: Ionisation energy increases as we move from left to right in a period.
Q: Identify the species in the list below that is NOT isoelectronic with the others? A. O3 B. NO2 C.…
A: Isoelectronic species :- Species ( atoms , molecules or ions ) having the same number of electrons…
Q: 1- Give the electron configurations for the following ions? and Fe (Z=26) Al * (Z=13) 2- Calculate…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: Rank the following cations from the least to the most d electrons: Co3+, Cr2+, Ni2+, Cu2+, Fe3+.
A:
Q: give the charge of the transition metal Ag2C2O4
A: Answer : Charge of transition metal Ag is +1. Ag2C2O4 siver oxalate is a ionic compound. Which…
Q: The first three ionization energies of an element X are 590, 1145, and 4912 kJ/mol. What is the…
A: Ionization energy is the energy required to remove an electron from its atom in gaseous state. 1st…
Q: Draw the electron configuration of the Al3+ ion – 1s2 2s2 2p6
A:
Q: Explain why N2 2+ is diamagnetic, while O2 4+, which has the same number of valence electrons, is…
A: The Lewis structure does not give any idea about molecular geometry but it purposed the distribution…
Q: What is the electron configuration of: Ag, Bi^2-, Rh^3+, Sn^3+, Si^-
A: The atomic number of Ag = 47. The atomic number of Bi = 83 The atomic number of Rh =45 The atomic…
Q: What is the identity of the ion with an electron configuration [Xe]4f145d9 and has a charge of +4?
A: Ion is a charged molecule which is formed after the loss or gain in electron. Charge number of ion…
Q: Arrange the following isoelectronic ions in the order of increasing ionic radius: K+, P3- , S2-, CI-
A: Since you have posted multiple questions, we can answer only one per session. Kindly repost another…
Q: Arrange the following isoelectronic series in order of decreasing radius: Na+, O²-,F , A³+, Mg²+…
A: Size of isoelectronic species depends upon atomic number. Smaller the atomic number, larger will be…
Q: What name is used to indicate when the atoms or ions have all paired electrones: O a. ferromagnetic.…
A: In the given question we need to tell the name of the process called when the atoms have all paired…
- Which of the following is isoelectronic pair?
(i) ICl2, ClO2
(ii) BrO2– , BrF2+
(iii) ClO2, BrF
(iv) CN–, O3
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- Which of these elements is most likely to form ions with a2+charge?(a) Li (b) Ca (c) O (d) P (e) ClA certain element, M, is a main-group metal that reacts with chlorine to give a compound with the chemical formula MCl2 and with oxygen to give the compound MO.(a) To which group in the periodic table does element M belong?(b) The chloride contains 44.7% chlorine by mass. Name the element MWrite the electron configuration and orbital diagram for each ion and predict whether each will be paramagnetic or diamagnetic.(a) Co2+ (b) N3- (c) Ca2+
- Potassium superoxide, KO2, is often used in oxygen masks(such as those used by firefighters) because KO2 reacts withCO2 to release molecular oxygen. Experiments indicate that 2mol of KO2(s) react with each mole of CO2(g). (a) The productsof the reaction are K2CO3(s) and O2(g). Write a balanced equationfor the reaction between KO2(s) and CO2(g). (b) Indicatethe oxidation number for each atom involved in the reactionin part (a). What elements are being oxidized and reduced?(c) What mass of KO2(s2) is needed to consume 18.0 g CO2(g)?What mass of O2(g) is produced during this reaction?Write the electron configuration for each of the followingions, and determine which ones possess noble-gasconfigurations: (a) Sr2+, (b) Ti2+, (c) Se2-, (d) Ni2+, (e) Br-,(f) Mn3 + .Illustrated are four ions — A, B, X, and Y— showing their relativeionic radii. The ions shown in red carry positive charges: a2+ charge for A and a 1+ charge for B. Ions shown in blue carrynegative charges: a 1- charge for X and a 2- charge for Y.(a) Which combinations of these ions produce ionic compoundswhere there is a 1:1 ratio of cations and anions?(b) Among the combinations in part (a), which leads tothe ionic compound having the largest lattice energy?[Section 8.2]
- Illustrated are four ions — A, B, X, and Y— showing their relativeionic radii. The ions shown in red carry positive charges: a2+ charge for A and a 1+ charge for B. Ions shown in blue carrynegative charges: a 1- charge for X and a 2- charge for Y.(a) Which combinations of these ions produce ionic compoundswhere there is a 1:1 ratio of cations and anions?(b) Among the combinations in part (a), which leads tothe ionic compound having the largest lattice energy?Write the electron configuration for the monatomic ions formed from the following elements (which form the greatest concentration of monatomic ions in seawater):(a) Cl(b) Na(c) Mg(d) Ca(e) K(f) Br(g) Sr(h) FGive the group number and the general valence electron configuration of an element with the following electron-dot symbol. (For example, type ns2 np6 for ns²np°, which is the valence configuration of all group 8A elements.) (a) group number electron configuration (b) group number electron configuration
- Predict the chemical formulas of the compounds formed bythe following pairs of ions: (a) Cr3+ and Br-, (b) Fe3+ and O2-,(c) Hg22+ and CO32-, (d) Ca2+ and ClO3-, (e) NH4+ and PO43-.Given the following elements: Si, Sr, Cu, Ti, S (a) which of those elements would have the larget atomic radius? (b) which of those elements would have the highest ionization energy? (c) which of those elements would have the lowest electronegativity?How is F3O4 the oxide ion of Fe 3+?