Which of the following is an isoelectronic series? 1. B5, Srª“, As³-, Te?- II. F', Cl', Br", I" III. S, CI, Ar, K IV. Si?, p2, s²-, cI²- V. O2, F', Ne, Na* O II

Q: 81.) Arange the following sts of elements in order of increusing atomic size. a Sn, Xe, Rb,Sr b. Rn,…

A: We need to arrange all these elements in increasing atomic size . Atomic size varies differently in…

Q: Select the group number. Select the generic outer electron configuration. O 1A (1) 2A (2) O ns np' O…

A: The given element X has 6 electrons in the valence shell. Valence electrons= 6. The generic…

Q: Question 8 Which of the following sets is made up of isoelectronic ions? OA. B5-, Sr4-, As3-, Te²-…

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Q: Which of the following pairs are NOT isoelectronic?   a. F- and Mg2+   b. Cl- and Ca2+   c.…

A: Isoelectronic species have the same number of electrons, and in questions we have to tell that which…

Q: The following are isoelectronic species: N³, F-, and Mg2+. Rank them in order of increasing a. size.…

A: The species which have same number of electrons are called isoelectronic species. The  size and…

Q: 23) Which of the following correctly represents the electron affinity of phosphorus? A. P4 (g) + e-…

A: Electron affinity is the amount of energy liberated when an electron is added to a neutral atom to…

Q: a. Which element has the largest atomic radius? O Na B Al C b. Which element has the largest…

A: Given:Which element has the largest atomic radius, largest electron affinity, and largest ionization…

Q: Which of the following atoms or ions is isoelectronic with Al3+? Select one: a. Al b. Na+ c. Ar…

A: The species which has same no of electrons are known as isoelectronic.

Q: Choose the larger atom or ion in each pair.  a. S P b. Na Na+  c. S^2- Se^2- d. Cu+ Cu^2+ e. Na…

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Q: Which of the following ions/atoms has the smallest atomic radii? O A. Ne O B. 02- O C. Na+ O D.F- O…

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Q: The number of molecular orbitals formed is always the number of atomic orbitals combined. O equal O…

A: When the shape and geometry of any molecule are needed to be determined, but it becomes difficult to…

Q: Which is more metallic: Cl or Al Which has a greater Radii: Ca or K Which has a greater Radii: F or…

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Q: 12.Arrange each group of 3 elements according to increasing size. Place a S below the smallest…

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

Q: 9. Arrange the following ions in terms of increasing atomic radius (arrange then increasing from…

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Q: ur ionization energies for

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Q: Identify the isoelectronic series? Select one: O a. Cs Rb , K*, Na" Ob. s Mg Cr Na Oe s a Ca- Od.…

A: Given:-               Identify the isoelectronic series?Select one:O a. Cs, Rb-, KNaO b. 52-, Mg2-…

Q: Which is the correct description for electron affinity? A. F --> F+ + e- B. F- --> F + e- C. F + e-…

A: C. F + e- --> F- is the correct description for electron affinity

Q: Which is smaller and why? cl or cl-  Mg or Mg2+ N or N3- Put in order from smallest to largest…

A: Neutral atom is the one which is neutral i.e. has no charge.Anion is an ion having negative charge…

Q: Arrange the following elements in order of increasing first ionization energy : Na, K, P. ________ <…

A: Ionisation energy is the energy required to remove 1 electron from the gaseous element.

Q: ionization equation

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Q: Rank the following ions in order of increasing the electron affinity energy: Cl, Br-and I- A. Br…

A: A question based on Electron affinity. The given three ions are to be arranged based on their…

Q: Identify the isoelectronic elements. O Li, Na, K, Rb*, Cst ONe, Ar, Kr, Xe, He ON3, S2, Br, Cst,…

A: Here, we have to find the isoelectronic elements from the given options.

Q: Which one of these ions is not isoelectronic with Ar? A. S2- B. Ca2+ C. Fe2+ D. CI E. Kt

A: Isoelectronic species:Isoelectronic species can be define as the atoms or ions having the same…

Q: Which of these are isoelectronic with krypton? Circle all that qualify. a. Ca+2 b. Br-1 c. Sr+2…

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Q: Ca2+ Ge4+ Cl-   Options: A. Ca2+, Ge4+ and Cl- B. Ca2+ and Ge4+ C. Ge4+ and Cl- D. Ca2+ and Cl-

A: Interpretation- In the given following question above which of the following species are…

Q: Which of these is an isoelectronic series? ON, K, Rb, Cs OK, C Ar, S O Na Mg", s, Cr Li, Be, B, C…

A: Isoelectronic species are the elements or ions having the same number of electrons that is the…

Q: What period 3 element is described by the following ionization energies (all in kJ/mol)? IE1 = 740…

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Q: Order the following elements from smallest to largest electron affinity. 1. O, Ne, Na1+, F 2. Ca,…

A: 1.) O,Ne,Na+,F  The order of elements from smallest to largest electron affinity is given by –  Ne(…

Q: . Which one of the following atoms has the largest radius? S, F, Cl, or O 2. Of the following…

A: Atomic radii is distance between the central of the atom and outermost electron present in valence…

Q: 79) 79.) In each of the following groups,which element is leost reuctive? Group ! a. b.Group 7 C.…

A: The most fundamental classification of the chemical elements is into metals and non-metals. Metals…

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…