How many unpaired electrons are present in the tetrahedral ion NiCl42-? Unpaired electrons = ____

Q: 25. Draw Lewis dot diagrams for 3 ions in period 3 and 2 ions in period 4 that have the same Lewis…

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Q: Which of these ions always be a Spector ion? -Nitrate ions -Fluoride ions -Hydroxide ions -Copper…

A: Spectator ions are the ions which do not invovled in the net ionic equation. That is these ions are…

Q: agnetic. How many unpaired electrons a in iron(II) and in iron(III) ions? I) ion: unpaired…

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Q: 25) Which nonradioactive group I metal would be the most reactive in water and why? A) Cesium would…

A: 25) Cesium belongs to group I of the periodic table having only one electron in the outermost shell.…

Q: Rank the atomic radii from smallest to largest. Cu2+ Cu* Cu

A: Atomic radius : The distance between  centre of nucleus of an atom to its outermost shell which…

Q: Ва K

A: Ionization enthalpy  depends  upon the size of elements  . GREATER THE SIZE  OF ELEMENT less will…

Q: Is it possible for the number of Nat and K+ ions to be the same if No= 103 and Ko= 15? Explain %3D

A: The sodium and chloride ion concentrations are lower inside the cell than outside, and the potassium…

Q: What is the abbreviated electron configuration of the metal ion in Cr2(SO4)3 ?

A: Abbreviated electron configuration for metal ion Cr+3= [Ar]3d3

Q: What is electron configuration of outer shell of element which forms Me,03? Select one: a. ns b.…

A: From the formula Me2O3 its valency is 3. Since it is a metal, its valence shell has 3 electrons. So…

Q: 3 Fe ions were formed. How many electrons were removed? Fe → Fe+3 + 3e

A: we have to calculate the number of electrons removed when 3 Fe ions are formed

Q: What is electron configuration of outer shell of element which forms Me,03? Select one: a. ns' b.…

A: Given  Oxide of element = Me2O3 Electronic Configuration of outer shell of element = ?

Q: Galium (Ga) is an element in group III with atomic number 31. By referring to the Periodic Table,…

A: Please find your solution below : (i) Atomic radius of gallium is greater than that of aluminium…

Q: How many unpaired electrons are in [Mn(NH3)6]3+

A: Given complex -ion is  [Mn(NH3)6]+3 The metal ion is Mn+3  so Electronic configuration is Mn ⇒[As]…

Q: (2) Write the preliminary one pair of electron dots between each pair of bonded atomic cores. Figure…

A: Valence electrons present in each H atom = 1                Number of H…

Q: Give electron dot symbols for each of the following neutral elements (place the correct number of…

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Q: Give the symbol of the halogen with the greatest electron attachment enthalpy (electron affinity).

A: If an electron jumps to a neutral gaseous atom to form a negative ion, the potential energy change…

Q: Which would be the most reactive non-metal? A) 15P B) 19K C) 52Te D) 53I E) they are all equally…

A: The most reactive nonmetals reside in the upper right portion of the periodic table. The element…

Q: 8. Find the key characteristic of redox reactions. * O A. The reactions fixed electron…

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Q: Which of the following elements would have the lowest first ionization energy? OLi Ве OC ON

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Q: Select the atoms/ions that are paramagnetic. [Select all that apply]. O yttrium atom xenon atom zinc…

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Q: Question 20 Using orbital diagrams, determine the number of unpaired electrons in each of the…

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Q: Galium (Ga) is an element in group III with atom

A: As per guidelines, if multipart questions posted, first 3 are allowed to answer, please post rest of…

Q: * OWLV2 | Online teachin X C According To The Following +…

A: Since from the pic we can see that the number of molecules of oxygen is 6 and nitrogen is 2 From…

Q: Using its electron configuration, explain why iron (Fe) is a multivalent metal with charges +2 and…

A: Using its electron configuration, explain why iron (Fe) is a multivalent metal with charges +2 and…

Q: Give the most probable ion formed from each of the following elements:a. Li c. Sb. Ca

A: Element is a neutral species. When an element loses or gains it forms an ion, which is charged…

Q: Select the ions that have the same electronic configuration as argon. s2- Br K+ A?+ Ca2+

A: Electronic configuration is essential to estimate valence electrons available in particular atom.…

Q: Electrons that are available for bonding are called _____________ electrons.     A. ionic   B.…

A: In an atom, outermost electrons are called valence electrons and inner electrons are called core…

Q: which group of metals are most reactive metals? How many valance electrons does this group of metals…

A: The metals are electropositive. Metal atoms donate electrons easily. The amount of energy required…

Q: Why does the reactivity of metals increase from right to left on the periodic table?

A: Here we have to consider the periodic change of reactivity of metals. The most important property of…

Q: Which atom in the Br-F molecule has a partial negative charge (õ)? A) F B) Br C) Both D) Neither

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Q: 2. Electron configurations a. Write the electron configuration and orbital diagram for Co. Identify…

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Q: Identify the ions in a mixture containing Cu2+, N3-, O2-, Ca2+, Al3+, Te3-, and H+,  that would be…

A: The given list of ions:Cu2+, N3-, O2-, Ca2+, Al3+, Te3-, and H+Divide the ions into positively…

Q: Which of the following is a reason why the first member of the nonmetal groups tends to exhibit…

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Q: Copper (I) ion Sulphide ion A. 3d Зр В. 3d 3s and 3p С. 4s 3p D. 4s and 3d 3s and 3p

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Q: Write  electron configurations for each of the following . a. Ti, Ti2+ Ti4+ b. Re,Re2+, Re3+ c. Ir,…

A: a. The atomic number for Ti is 22

Q: Arrange the following elements in order of decreasing metallic character. Rank values from strongest…

A: We know that in periodic table metallic character increases from top to bottom and decreases from…

Q: Which of the following elements would have the lowest first ionization energy? OLi O Li O Be OB OC…

A: Elements Li (lithium), Beryllium (Be), Boron (B), carbon (C) and nitrogen (N) belongs to the same…

Q: The total number of metal-metal bonds in Ru3(CO)12 and Co4(CO)12, respectively is: Atomic number of…

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Q: What is the number of electrons for AsBr5?

A: Arsenic consists of 33 electrons and its electronic configuration is 2,8,18,5. So, its valence shell…

Q: Which Group 5A element cannot form molecules with five covalent bonds? Select one: a. N b. P c. As…

A: The general electronic configuration for the valence shell of group 5 A elements is  [X] = ns2ns3…

Q: 1. List two metals that have a greater tendency to lose electrons than Manganese (Mn).

A: Metals are the elements that can easily lose electrons to form positive ions because they have a…

Q: E is a made up element and contains 6 valence electrons Calculate the number of valence electrons in…

A: The number of valence electrons in E3  = Valence electrons in a E x 3 = 6 x 3 = 18

Q: How many unpaired electrons are present in each species: [Fe(CN)6]³;, [Fe(OH2)613+ (Hint:…

A: Step 1

Q: How many valence electrons are in the nitrite ion? 22 18 26 D17

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Q: Predict the number of unpaired electrons in the [CrCl 6] 4– ion.     0     3     5     None of…

A: The compound given is [CrCl6]4-.

Q: Need a good explanation here please

A: Dear student I have given answer to your question in the image format.

Q: Which arrangement is in the correct order of increasing radii? Select one: a. H< Het O b. Cr< Cr3+ <…

A: Ions of the different elements which have the same number of electrons but different magnitude of…

Q: How many unpaired electrons are present in the tetrahedral ion FeCl4-?

A: According crystal field theory, when transition metals are bonded to any ligand, their d orbitals…