Write the electron configuration of an atom of the element highlighted in this outline of the Periodic Table: He Ne 3 Ar 4 Kr Xe Rn 7 Hint: you do not need to know the name or symbol of the highlighted element!

Q: Which of the following ions is isoelectronic to Ne? O-2 OF-2 K+ O Al+2 None of these

A: Isoelectronic species(moreover, 'Iso' means same and 'electronic' means electrons) are those species…

Q: Which atom and/or ion is (are) isoelectronic with Br+: Se2+, Se, As–, Kr, Ga3+, Cl–? What Do you…

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Q: Which element in the 2nd period would have the largest difference in energy between its 4th and 5th…

A: we have to select the element for which difference in 4th and 5th ionization energy is very large

Q: Using complete subshell notation (1s2 2s2 2p6, and so forth), predict the electron configurations of…

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Q: Write the ground state electron configuration (shorthand ok) and draw orbital diagrams (with…

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Q: What element forms an ion with an electronic configuration of [Xe] and a −2 charge?

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

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Q: Write the ground state electron configuration for atom and ion pair.  Os, Os 4+

A: Electronic configuration: It is defined as the distribution of electrons present in the atom over…

Q: Calculate the formula mass (in amu) for iron (II) perchlorate. or

A: Formula mass for iron (II) perchlorate is calculated as shown below:

Q: What is the maximum number of electrons that can be accommodated in the shell with n = 4?     32…

A: The maximum number of electrons in the nth shell is ---- 2n2 Where, (n = 1, 2, 3, 4-----). Orbit…

Q: Consider the isoelectronic ions F− and Na+. Using the equation Zeff=Z−S and assuming that core…

A: According to question, Given the equation Zeff=Z−S  Where,  Zeff= Effective nuclear charge Z =…

Q: Iodine has an atomic number of 53. What is the Electron Configuration of Iodine ion (I-1)? Zinc has…

A: Given that the atomic number of Iodine is 53. The atomic number of Zinc is 30. To find the…

Q: What element in period 3 is a metalloid?   Give this element’s ground state noble gas orbital…

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Q: Arrange the following ions in order of decreasing ionic radius: Cs*, Te, I, Ba*. (You may use a…

A: Determine order of decreasing ionic radius of the following.

Q: Which of the following atoms has the smallest first ionization energy? O AI O si OP Os

A: The ionization energy of an element increases across the period because the number of electrons in…

Q: Write the condensed electron configuration for each atom or ion.  - Se - Ag - Fe2+ What is the…

A: Electron configuration---- Selenium (Se)--- Atomic number of selenium is 34, so it contains 34…

Q: Write the complete ground-state electron configuration of Fe2+.

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Q: Atomic radius is usually inferred from crystallographic data on elemental solids and is a crude…

A: The radius data given is, Li : 0.152 nm Be: 0.113 nm B: 0.088 nm C: 0.077 nm N: 0.075 nm O: 0.066 nm…

Q: Write the number of valence electrons in the elements Ca,Si,Kr,S and Na

A: The given elements are, Ca Si K S Na

Q: Write the condensed (noble-gas) electron configuration of Mg

A: General Electronic configuration of Mg2+ - 1S2, 2S2,2p6,3S2 But question asked Condensed (Noble-gas)…

Q: 11. How do the core charges for H, Li, and Na compare to each other? Based on this ans and their…

A: 11) Hydrogen , lithium and sodium are placed in same family because all three looses one electron to…

Q: How many electrons are in the most likely ion formed from an atom located in group 5A and period 3?…

A: When a neutral atom gain or lose electron, then it is called as ion.  If it gains the electron then…

Q: Which of the following elements would you expect to have positive electron affinity? Ne Br Cl F…

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Q: Use the data table for the first eight ionization energies of a particular element shown below to…

A: Ionization energy is the energy required to remove the most loosely bound electron from an isolated…

Q: In many Periodic Tables, a zig–zag line slanting down and to the right is shown in the p–block of…

A: 1.) On the basis of electronic configuration of elements, the periodic table is divided into four…

Q: Consider the following set of successive ionization energies: IE1=578kJ/mol IE2=1,820kJ/mol…

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Q: The graph below represents successive ionization energies (IEs) in kJ/mol for a particular element…

A: The elements of third period given are Aluminium (Al), Silicon (Si), Phosphorous (P), Chlorine (Cl)…

Q: Experimentally, the electron affinity of an element can be determined by using a laser light to…

A: The electron affinity of an atom or molecule is defined as the amount of energy released when an…

Q: Explain using forces, energy, and interactions why the atomic radius decreases across the row in the…

A: A chemical element's atomic radius, which is typically the average or typical distance between the…

Q: Which of the following elements has the highest first ionization energy? Ве O Na Li Rb K

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