The electron configuration of a cation M3+ is [Ar] 3d3. What is the electron configuration of the original atom M? (M is not a real chemical symbol of an element.)

Q: Write the electron configurations for the following ions, anddetermine which have noble-gas…

A: The electron configurations for the following ions are to be written, anddetermine which have…

Q: How many valence electrons does this element have?

A: Given electron configuration :-  1s22s22p63s23p63d104s24p5  Total electrons = 35  so, the atomic…

Q: Explain the horizontal irregularity in size of the most com-mon ions of Period 3 elements.

A: Period 3 elements are given below,        Sodium (Na), Magnesium (Mg), Aluminium (Al), Silicon (Si),…

Q: Consider the following information. • The enthalpy of formation of MgO is AH; = -601.6 kJ/mol. • The…

A: We have O-(g) +e- →O2-(g) and also we have the following data For the reaction, Mg (s)→Mg(g),…

Q: Which of these elements is most likely to form ions with a 2+charge?(a) Li (b) Ca (c) O (d) P (e) Cl

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Q: Which of these elements is most likely to form ions with a2+charge?(a) Li (b) Ca (c) O (d) P (e) Cl

A: The charge shown by the elements is its ability to gain or lose an electron to stabilize itself.…

Q: In complete sentences, explain: (a) why Se2 - and Br - are about the same size; (b) why Br - is…

A: (a)

Q: (1) What is the valence electron configuration for the krypton atom? (2) What is the valence…

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Q: Explain why calcium can form a C a 2+ ion but not aC a 3+ ion.

A: The answer and the explanation is ans given below:

Q: Conside following data for yttrium: atomic mass 88.906 electronegativity electron affinity…

A: Using given data we will answer the following questions one by one.

Q: (Q76) Which of the following elements would be expected to have a particularly large energy gap…

A: IE3 and IE4 means third and fourth ionization energy.  Large energy gap between IE3 and IE4 is only…

Q: Choose the element with the higher ionization energy from each pair.(a) Al or In (b) Cl or Sb (c) K…

A: Chemical and physical properties of elements present in the same group which are related to their…

Q: Which atom’s valence electrons experience the greatest effective nuclear charge?(a) the valence…

A: Effective nuclear charge refers to the net charge experienced by the electron in an multi-electron…

Q: Which of the following reactions represents an electron gain energy that would be positive (i.e.…

A: We have to choose the following given options have an electron gain energy that would be positive…

Q: How does the structure of a lithium ion vary from that of a lithium atom?

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Q: Refer to the periodic table and predict the number of valence electrons for an atom of each of the…

A: The modern periodic table is also known as long form of the periodic table. It is divided into rows.…

Q: Directions: (1) Write the electron configuration of the following elements. (2) Determine their…

A: Electronic configuration is defined as, the arrangement of electrons in energy levels around an…

Q: (1) Sr4 (2) P+6 (3) 0-8 (4) Fe3

A: The electronic configuration for the above ions

Q: Your assigneed ion is : AlCl4- please give a brief description that includes: (a) total valence…

A: The total number of valence electrons in a molecule is determined by adding the number of valence…

Q: How many valence electrons are in each element?(a) Ba (b) Al (c) Be (d) Se

A: Since you have asked a question with multiple parts, we are solving first three parts for you. For…

Q: Predict the chemical formulas of the compounds formed by the following pairs of ions: (a) Fe3+ and…

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Q: What is the reason why N has a larger atomic radius than F ? (A) N has a larger atomic number (B)…

A: Nitrogen and Fluorine belong to 2nd period of the periodic table. The position in the 2nd period…

Q: What kind of bonds will be formed between the element with the electronic structure (a) 1s22s22p5…

A: The ionic bond is type of the bonds which are generated by the electrons gain and loss.

Q: A monatomic ion with a charge of +2 has an electronic configuration of 1s²2s²2p…

A: Question is based on the concept of atomic structure. We have been given electronic configuration.…

Q: Which ionic compounds would have the greatestlattice energy: NaCl, KCl, or MgC l 2 ? Explain…

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Q: K 7.3 7.3 Group 8A exhibits the highest first ionization energy. Which group do you expect to…

A: The energy required to remove an electron from the outermost orbital of an atom is called as the…

Q: Suppose an element from group IIIA(13), and period 3 of the periodic table forms an ionic compound…

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Q: a) Explain why the third ionization energy of Al is significantly larger than its first ionization…

A: Ionization energy is defined as the amount of energy required to remove an electron from the…

Q: When the ionization energies (IE) of a series of isoelectronic atoms and ions in the second ow (that…

A: Ionization energy is the energy required to remove an electron from an atom present in a gaseous…

Q: Write the condensed (noble-gas) electron configuration of Cr²⁺, Co2+,Mn4+,and Cr3+

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Q: Consider the following data for sodium: atomic mass electronegativity electron affinity ionization…

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Q: For two adjacent ions, the net potential energy is: А В + rn EN - - r where A, B and n are…

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Q: b) Write a full electron configuration of 82Pb, and a shortham Atom: 1s 2s 2p 3s 3p 3d 1 st ion:…

A: Since, Electronic configuration represent the electron present in orbital in which way. Arrangement…

Q: 1.) a.) True or false: Elements with high ionization energies tend to have lave electron affinities…

A: A few questions based on periodic table trends that is to be accomplished.

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: For each of the following pairs of atoms, state which youexpect to have the higher electron…

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Q: e the lattice energy of MX.

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Q: You may need to use a special periodic table to answer the question, it is attached in the images…

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Q: Arrange the following groups of atoms in order of increasing size. Beginning with the smallest and…

A: The neutral element have more radius than cation form of same element because cation is formed on…

Q: 8.92 A fundamental relationship of electrostatics states that the energy required to separate…

A: Ionization energy: The amount of energy required to remove an electron from outermost orbit of an…