Transition metal X forms X, which has four unpaired electrons. X could be: titanium gallium iron manganese vanadium

Q: 16. Calculate wavelength of the photon emitted upon n=2 to n=1 electronic transition in helium…

A: Wavenumber of the photon emitted can be determined using Rydberg equation as follows,

Q: The concentration of each of the following solutions is 1 mol dm, Which of them contains the…

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Q: Which of the following species is diamagnetic in its ground state? 022 O 0,2- O2 02

A: Diamagnetic are those species in which all the electrons are paired. Paramagnetic are those species…

Q: Which is the most stable electron configuration for the iron(III) ion, Fe3+? (A) [Ar]…

A:

Q: which one of the fellowing elments will be paramagnetic? argon helium zinc sodium berylium

A: Paramagnetic is element in which electrons are not paired.

Q: The electron configuration for vanadium (V) is O [Ar] 4s2 3d3 O [Ar] 4s2 3 O [Ar] 3d None of these

A: The distribution of electrons in an element's atomic orbitals is described by its electron…

Q: How many unpaired electrons are in molybdenum atom? 3 4 6. 2

A: Electronic configuration of Mo atom is [Kr] 4d5 5s1  So, number of unpaired electrons in a Mo atom…

Q: im not too sure how to fill this out

A: There are four sets of quantum number for a particular electron in an atom :-  principle quantum…

Q: Explain each of the following observations: The halogens decrease in oxidizing power in the order F2…

A: Introduction :  Oxidising power of halogens decreases down the group .

Q: Which of the following have the largest first ionization energy, IE,? O B O Ga O Br O i

A: Ionisation energy is defined as the energy required to remove electron from the gaseous form of the…

Q: Thallium was used as a poison in the Agatha Christie mystery story “The Pale Horse.” Thallium has…

A: Thallium is a chemical element. It is designated by Tl symbol. Its atomic number is 81. Thallium…

Q: In the Fe2+ ion, how many unpaired d electrons are there?

A: The atomic number of Fe is 26  Hence the electron configuration of Fe is [Ar] 3d6 4s2

Q: Arrange the following groups of atoms in onder 'of increasing sine (Enter mutiple answers as a…

A: The size of an atom is the distance between the center of nucleus of an atom and it's outermost…

Q: Calculate the number of unpaired electrons in [Fe(NH3)6]3*.

A: Solution-Fe(NH3)63+-Fe3+ =3d5= valency electronsan NH3 is strong field ligand pairing accured.   3d5…

Q: a) what is meant by the term polarizability? (b) Which of the following atoms would you expect to be…

A: Polarizability is tendency of atom to distort it's electron cloud. When an anion or atom experience…

Q: Partial (valence-level) electron configurations for four different ions are shown below: Identify…

A: For a) the charge is +2 So neutral element have 2 more electron. So, the electron configuration of…

Q: why iodine is dark violet in colour?

A: Visible region: The electromagnetic radiation in range of is regarded as visible region which is…

Q: What is the energy difference between the 3s and 3p orbital in sodium?

A: while filling the electron , we follow (n+l) rule, for orbital which has more (n+l) value is placed…

Q: Write the condensed ground-state electron configuration of the transition metal ion Mn2*. Is it…

A: Electronic configuration is used to represent the distribution of electron density in an atom. In…

Q: Explain why actinides are colourful (5)

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Q: Which of the following atoms should have the greatest polarizability? F Br Po Pb He

A: Polarisability : It is the property by the virtue which element tend to acquire electric dipole when…

Q: true or false.

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Q: What species has the electron configuration [Ar]3d²? O a. Mn2+ а. Ob. Cr2+ Oc. v3+ С. O d. Fe3+ O e.…

A: The distribution of electrons in various orbitals according to certain rules is known as electronic…

Q: 9 Which of the following atoms or ions is most paramagnetic? a. b. Zn2+ Gd d. U6+ c.

A: The ions which has most number of unpaired e- in valence shell and outermost shell will have the…

Q: Which of the following fictitious compounds is more likely to be paramagnetic based off of your…

A: A coordination compound will be paramagnetic if the central transition metal or metal ion has at…

Q: Write shortly about the followings: 1- Ionization potential  2- Electron affinity

A: The ionization potential or the more commonly known term ionization energy is the minimum amount of…

Q: How many electrons are located in the 4s orbital for Ca*2 cation? O 6 O 4 O 2 CO

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Q: Which of the following atoms is paramagnetic? A) AI В) Ва C) Kr D) Zn E) Хе

A: Which of the atoms is paramagnetic ?

Q: Transition metal X forms X^3+, which has four unpaired electrons. X could be: titanium gallium…

A: Here given, transition metal forms X3+ state. If Ti forms a 3+ state, then it is a 3d1 system, and…

Q: Why is sodium (Z = 1 1) the next univalent atom after lithium

A: We know univalent atom present in the group 1. And group 1 contain H,Li,Na,K,Rb,Cs,Fr  The…

Q: (v) n=6, t= 3, m, = +% من إجمالي 5 (e) Give the ground-state electron configuration for each of…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: The atomic radii of lanthanides decrease from Ce to Lu, except for Eu and Yb because less electrons…

A: Applying concept of metalic bonding in Eu and Yb.

Q: The number of unpaired electron(s) in F₂ is/are A 4 B 0 C 1 D) 2 E 3

A:

Q: What are the connections between reactivity and ionization energy/electron affinity trends? Why do…

A: There are many trends in organic chemistry. These trends are atomic size, reactivity, metallic…

Q: 0OMEA Ot the elements below iS Smaller than Ca but larger than As ? Br P Mn what is the valence…

A: Using concept of periodic properties of elements.

Q: which of the following does have the lowest polarizability? Z of I=53, F=9. Br=35, Cl=53

A: 1- The polarizability of the atom it's depends on the electronegativity of element.  More…

Q: in what orbital does hydrogen have an unpaired electron? 2p 2s 3p or 1s

A:

Q: does the hydrogen "expand" or "contract" when an electron is excited from the n=1 state to the n=3…

A: Hydrogen is an atom that contains only one electron. The energy state n represents the principal…

Q: Among the period 4 transition metals (Sc–Zn), which elements do not form ions where there are…

A: The transition element present in the fourth period are Scandium, titanium, vanadium, chromium,…

Q: Which following element has the condensed electron configuration [Ar] 4s? 3d ? Lütfen birini seçin:…

A: The element with electronic configuration of  Ar4S23d3 has to be identified.

Q: Solid Mg2B205 contains the "pyroborate" anion. Draw the structure for this ion. What are other…

A: Please find the attachment.

Q: Which of these atoms is the most active?

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Q: What atom or ion has the electron configuration [Ar]3d10

A: The atoms or ion having electron configuration [Ar]3d10 :

Q: Write the condensed ground-state electron configurations of these transition metal ions, and…

A: Condensed ground electron configuration