Suppose a new group 8A element is discovered. Photoelectron spectroscopy (PES) reveals that its last two peaks occur at 1760 kJ/mol and 1211 kJ/mol. Calculate the average valence electron energy (AVEE) of this element, AVEE = MJ/mol

Q: Which outer electron configurations would you expect to belong to a reactive metal? O ns² p² O ns' O…

A:

Q: Which element in each of the following sets would you expect to have the highest IE2? (a) Na, Mg, Al…

A: The elements in a  set with  highest second ionization energy has to be selected.

Q: Arrange the following sets of ions in order of decreasing ionic radii. (a) Br, N p³ s²

A: Answer - Ionic radii - Ionic radii  is the radius of a monatomic ion in an ionic crystal structure.…

Q: Rank the following atoms/ions in order of atomic radius from smallest to largest: H / He+ /

A: The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or…

Q: Which element has the electron configuration [Ar]4s23d104p O phosphorus O calcium chlorine bromine

A:

Q: Explain the relationship between the properties of an elementand the number of valence electrons…

A: Valence electrons are the total number of electrons present in the outermost orbital of an atom.…

Q: Sive the group number and the general valence electron configuration of an element with the…

A: a) The given element has 5 valence electrons. Hence, valency of the element is 5. Group number = 15…

Q: Which has the greater third ionization energy, Ca or S? Explain.

A: Removal of electrons from the valence orbitals of an atom requires energy. This is called the…

Q: (1) What is the name of the element with a valence electron configuration of 4s²4p*? (2) What is the…

A: Given valence electronic configuration 1. 4s2 4p4 2. 3s1

Q: Which element has the larger ionization energy?a. Li, N b. Kr, Ne c. Cs, Li

A: We know that ionization energy increases along the period and decreases down the group.

Q: Arrange these elements in order of increasing first ionizationenergy: Cl, Sn, Si.a) Cl 6 Si 6 Snb)…

A: Ionization Energy: The amount of energy required to remove the electrons from the outermost shell of…

Q: Which element has the lowest ionization energy (lowest energy cost to lose an electron)? O Te O r O…

A: Given that a some elements.  We have calculate the Lowest ionization energy compound difine.    -…

Q: Halogens are a family of elements that have very low melting points and have a tendency to gain…

A: Halogens belongs to the 17th  group. That are fluorine, chlorine why bromine dissolved iodine…

Q: Which group of elements has the largest atomic radii? Halides Alkali metals Alkaline earth metals…

A: Atomic radii varies with the group of periodic table and with this we will answer the question.

Q: Which one in the following pairs has the smaller radius? Explain your answers: a) Ba or Ba2+ b) Te…

A: The radius of an atom/ion increases from the top to the bottom in the periodic table. Since the…

Q: For each of the following pairs, indicate which element hasthe smaller first ionization energy: (a)…

A: The first ionization energy is the minimum energy required to remove the electron from an isolated…

Q: On the basis of periodic trends, determine which element in each pair has the higher first…

A: Since we answer only up to 3 sub-parts, we'll answer the first three. Please resubmit the question…

Q: Which of the following trends can best be explained by the concept of "increasing effective nuclear…

A: Effective nuclear charge is the effective positive charge or attraction that is faced by valence…

Q: What is the element with the smallest atomic radius in period 4?   Give this element’s ground…

A: In periodic table from left to right the size of the atoms decreases due to increase in attraction…

Q: Arrange the atoms in order of increasing atomic size. W, Ag, Fr, Te Arrange the atoms in order of…

A: (1) Given elements are - W , Ag, Fr , Te  The atomic radius of different elements are -  W -…

Q: Which element below would have the largest atomic radius? * O Lithium O Iron O Rubidium Tin

A: The atomic radius of a chemical element is a function of the overall of its atoms, typically the…

Q: Rank the elements from highest to lowest ionization energy. To rank items as equivalent, overlap…

A: • The given elements are -  F, N, O, B , Li and Na    • We need to rank the given elements from…

Q: Choose the element with the higher first ionization energy from each pair.a. P or I b. Si or Cl c. P…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Which element, represented by X, would have the valence electron configuration shown in the diagram?…

A: Valence electron configuration is defined as the arrangement of electrons in the outermost shell of…

Q: Which element has the smallest ionic radius? a) P^3- or Mg^2+ b) Be^2+ or O^2- or F^- or S^2-

A: a) P3- or Mg2+ smallest ionic radius :-  Mg+2  Mg+2 ion has 10 electrons , its electronic…

Q: Which of the following statements is incorrect? (a) The second ionization energy of sulphur is…

A: Ionization energy exhibits periodicity on the periodic table. The general trend for ionization…

Q: Describe and explain each of the following atomic properties of the representative group of elements…

A: Atomic size is the distance between the nucleus of the atom and the valence shell containing…

Q: When selenium (atomic number 34 on the periodic chart) becomes an ion, with which atom does the ion…

A: Selenium has an atomic number of 34 . We have to find out an atom which is isoelectronic with…

Q: An atomic property of the elements shown in Figure 9 decreases in the order 5 > 4 > 3 > 2 > 1. Which…

A: Given: Atomic property of the elements shown in given Figure decreases in the order 5 > 4 > 3…

Q: Which ions are isoelectronic with Xe? I-,   Ba2+,   Rb+,   Te2+

A:

Q: Which element below would have the largest atomic radius?* Barium Beryllium Calcium Magnesium

A: Generally in a periodic table form left to right in a period the atomic radius decreases while in a…

Q: Arrange the following elements from highest to lowest electron affinity (CI, W, As, H, Li)

A:

Q: Arrange these elements in order of increasing first ionization energy: Cl, Sn, Si.a) Cl < Si <…

A: First ionization energy is the energy required to remove the most loosely bounded electron from an…

Q: which is the element with the lowest elecronegativity? WHICH OF THIS ANSWER IS CORRECT. A)…

A: Electronegativity is the property that measures the ability of an atom to attract the electrons…

Q: 12. Which of the following isoelectronic ions has the smallest radius: a) Ca b) Mg e) o -ES (P

A:

Q: Which set of ions are isoelectronic in their ground-state electron configurations? O N, O, F, Ne O…

A: Isoelectronic species are the elements or ions that have equal no of electrons

Q: Which of the following pairs of elements would you expect to have the most similar atomic radii? O…

A: Atomic Radius - It is basically a measure of the size of an atom. It measures from the nucleus to…

Q: What's the full electron configuration of Li? O 1s2s! O 1s 2s2 O 1s°2s 2p! O 1s 2s²2p 2s!

A: Lithium has a atomic number 3 .It means the number of electron is also 3 . The way of filling the…

Q: If metallic character is characterized as the ability to lose electrons easily, the most metallic of…

A: Metallic character refers to the level of reactivity of a metal. Metals tend to lose electrons in…

Q: Arrange the atoms in the following groups in order of increasing first ionization energy: 1. C, Sn,…

A: the given atoms need to be arranged in the order of increasing first ionization energy

Q: Write the electronic configuration and orbital diagrams for each ion listed: Ca2+, F-, Na+, Al+3.…

A: Iso-electronic species: These are those atoms or ions which have the same number of electrons…

Q: Which group in the periodic table contains elements with the valence electron configuration of…

A: Electronic configuration of an atom is defined as the arrangement of electrons of the atoms in its…

Q: Which element would you expect to be more metallic?(a) Ca or Rb(b) Mg or Ra(c) Br or I

A: The metallic character is the tendency of an atom to lose electrons. as we moving from left to right…

Q: 10. Which of the following element has paramagnetic property? (a) Mg (b) P (c) Ne (d) Hg 11. Which…

A: “Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Which pair of elements would you expect to have the most similar atomic radii, and why?a. Si and…

A: The atomic radius decreases on moving across a period because, with the increase in atomic number,…

Q: Which element had the smallest ionization energy , He , Ar , Xe

A: Ionization Energy (I.E.)- Amount of energy required to remove last shell electron of an isolated…

Q: Which element below would have the largest atomic radius?* Aluminum Phosphorus Silicon Sodium

A: Please find the solution below:

Q: Which element in each of the following sets would you ex-pect to have the lowest IE₃?(a) Na, Mg,…

A: Ionization energy is the quantity of energy that an isolated, gaseous atom in the ground electronic…

Q: Arrange the following isoelectronic series in order of increasing atomic radius: Br-, Se2-, Rb+. O…

A: Here we consider the charge of nucleus, that is number of protons. More the number of protons, more…

Q: Which of the following atoms has the least metallic character? S, Li Na OK Cs Rb

A: Any element which easily donates it electron is said to have strong mettalic character.