Atom X forms X with the electron configuration 4d5s. Atom X is: Rb In K Ag I

Q: Which element has the ground state electron configuration [Xe]6s²4f*5d*? A) W B) Pm C) Mo D) Np E)…

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Q: 7.104 The energy needed for the following process is1.96 × 104kJ/mol:  If the first ionization…

A: The given data contains, First ionization energy of Li = 520 kJ/mol.

Q: A neutral atom has the following electron configuration: 1s25°2p° What is the chemical symbol for…

A: Electronic configuration  is given         1s22s22p5 The total number of electron is 5+2+2= 9…

Q: If the configuration of an atom ends in 5d®, its period and group is O 6, VA O 5, VIB O 6, VIIIB O…

A: The configuration given is 5d8. Period : Since n = 5 But 6s electrons fill before 5d. So, 6s…

Q: An element in the 4th row of the periodic table has the following ionization energies: I1 =…

A: The element lies in the 4th row of the periodic table, i.e. in the fourth period.

Q: An element X has atomic number 34. Which of the following statements about the electron…

A: Given, Atomic number of element X = 34 For neutral atom of any element, the number of electrons are…

Q: Arrange the species Cl-1, K+1, s-2 in terms of increasing radii O a. K+1 < CI+1 <S-² O b. S-2 < K+1…

A: Atomic radius of an element represents the distance of the nucleus from the outermost shell. The…

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: 5) Give the full and abbreviated electron configuration of the following atoms/ions. Example: Mg…

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Q: What's the full electron configuration of the anion 02- ? 1s2 2s2 3p6 1s? 2s? 2p6 3s? 3p4 1s2 2s?…

A: We have to select  the correct  electronic configuration of O2- from the given following options.

Q: The electron configuration of a cation M3+ is [Ar] 3d3. What is the electron configuration of the…

A: Please find the attachment

Q: Consider the following equation:Ca+1g2 + e-¡Ca1g2Which of the following statements are true? (i) The…

A: Electron Affinity is defined as the energy released when an electron is added to the atom in the…

Q: Write the electron configurations for the following atoms or ions:(a) B3+(b) O–(c) Cl3+(d) Ca2+(e)…

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

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: Give the electron configurations of these ions, and indicate which ones are isoelectronic. a) Ca2+…

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Q: 1) Arrange the following in order of decreasing atomic radii. O, Rb, Ca and Mg

A: The atomic radius of the 4 elements are -

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

A: a) Since on moving from left to right on the periodic table, the atomic radius of atom decreases due…

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: The first three iodization energies of an element X are 590, 1145 and 4912 kJ/mol. What is the most…

A: Ionization energy is defined as the energy required to remove the electron from the valence shell of…

Q: 2500 He 2000 Ne 1500 H. 1000 N. Ar CI 500 Be Kr LI Si Br Mg As Se Na AI Ge Ca Ga Period 1A 2A 3A 4A…

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Q: . What is the total valence electrons of CN-?   a. 5 b. 4 c. 9 d. 10

A: Valence electrons are those electrons which are present in the valence/ outermost shell of the…

Q: Write the equations for the Born-Haber cycle for MgO(s) and use a Born-Häber cycle to calculate the…

A: Lattice enthalpy is the amount of energy released when one mole of ionic compound is formed from the…

Q: Cobalt (Co) is a paramagnetic element.  Explain what makes an element paramagnetic?      Give the…

A: A species that has unpair electrons in its orbital.then that element is called  paramagnetic…

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: Write down the condensed electron configuration of the following ions: a) Fe+ b) Zn c) Ga2+ d)…

A: Write down the condensed electron configuration of the following ions:

Q: 6. An element, X, has an atomic number of 25. The clectronic configuration of its ion X is A (Arl3d'…

A: Ar has 18 electron. If X has 25 electron then X2+  will have 23 electrons because it donate 2…

Q: Which is smaller, S2- or Ca2" ? Which is more reactive, Cs or Sr? 9. Write the reaction equation…

A: Given: S2- and Ca2+

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

A: Atomic radii increases as we move down the group in the periodic table and decreases as we move…

Q: Which element has the ground state electron configuration [Ar]4s²3d1°4p3? A) As B) Br C) Se D) Te E)…

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Q: Which of the following atoms has the largest radius? O ME Br

A: Atomic radius: The distance between the nucleus and the outermost electron is known as the atomic…

Q: Which ion has the same electron structure as a krypton atom? O A. Rb* O B. Mg2+ O C.- O D. Cr

A: Ans is A

Q: 8. Based on the formula of the following molecules, write down the noble gas configuration of the…

A: d) The molecule given is K2Cr2O7  Since K is having 1 valence electron and hence will form K+ ion…

Q: At first glance, we expect the Zeff of a valence electron of sodium (Z = 11) to be 1 but in reality,…

A: The effective nuclear charge has Following formula - Z* = Z - S Here, Z* is effective nuclear charge…

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: Arrange these atoms and ions in order of increasing radius: S2, cr, Ar. O A. g2- < Cr <Ar O B.…

A: Given anions and atom are :  S2-, Cl-, Ar  Arrange the following in order of increasing radius = ?…

Q: In the order given below, write chemical reactions corresponding to: a) The first ionization energy…

A: First Ionization energy is defined as the energy required to remove one electron from Valence shell…

Q: Give three examples of ions that have an electron configurationof nd6 (n = 3, 4, 5,......)

A: The electrons' distribution in orbitals of any specific atom or ion is designated as its electronic…

Q: The ionization energies of a given atom are IE1 = 5.139 kJ/mol, IE2 = 47.286 kJ/mol, IE3= 71.64…

A: Given: IE1 = 5.139 KJ/mol. IE2 = 47.286 KJ/mol. And IE3 = 71.64 KJ/mol.

Q: THE SPECIES THAT HAS THE SAME NUMBER OF ELECTRON S. THE AS FOLLOWINĞ SPECIES Is: 52 ESPECIES: 24…

A: Atomic number (Z) :-  The number of protons present inside the nucleus of an atom is known as atomic…

Q: (a) Arrange the following in their increasing size with the help of slater's rule and also give…

A: Steps to follow (Slater rule) Step One: Electronic configuration.Step Two: Group the electrons as…

Q: 2. Which one of each of the following pairs has the higher ionization energy? Explain in detail for…

A: Which pairs having higher ionisation energy in each case ?

Q: What electron configuration of phosphorus? O 152s2p63s23p°4s²3d104p5 O 152522p63s23p3 1s2252p…

A: Electronic configuration of any atom can be determined easily by atomic number. Atomic number is…

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

A:

Q: Considering periodic trends, valence electrons in which of the following atoms experience the…

A: The elements given are B, C, Cl, Ne, and F.

Q: Considering periodic trends, valence electrons in which of the following atoms experience the…

A: effective nuclear charge is the net charge experienced by the electrons in the outermost shell.