Identify each element below. (a) [Kr] 5s24d105p5 (b) [Ar] 4s23d5 (c) [Xe] 6s24f145d2

Q: Write the electron configuration of the following. Using (a) s p d f notation ⁸⁸Ra ⁵⁰Co

A: Given :  88Ra 27Co To write :-  Their complete electron configuration    Note : In atomic symbol…

Q: How does d-electron shielding influence atomic size among the Period 4 transition elements?

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Q: ionization energy

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Q: The alloy SmCo5 forms a permanent magnet because both samarium and cobalt have unpaired electrons.…

A: The given alloy is SmCo5.  Where Sm is samarium and Co is cobalt.

Q: The elements of the second row of f-block, as known as actinides, are considered the second inner…

A: The two rows that are placed underneath the Periodic Table are called the Lanthanide series and the…

Q: 6.87 Describe the characteristics of transition metals.

A: 6.87 Given metals,     Transition metals

Q: Please select all of the ground-state electron configurations that are correct. Copper Cu: [Ar]4s1…

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Q: Which of the following atoms are paramagnetic?  a Zn  b O  c P  d Mg

A: It is explained as given below :

Q: There are [a] unpaired d electrons in Ni3+ (Z = 28).

A: Given :- symbol of ion = Ni3+  To determine :- no. of unpaired d electrons in Ni3+

Q: Provide explanations of the following phenomena: The electron configuration of Ti is [Ar] 4s2 3d2,…

A: The given statement is, The electron configuration of Ti is [Ar] 4s2 3d2, but that of Cr2+ is [Ar]…

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Q: diamagnetic (not paramagnetic): Which of the following species Li, V, Ni, Zn, Fe²+ Ba** bnn…

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Q: Directions: Answer the following questions. 1. Give the nand /values for the following orbitals а.…

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

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: Which ground state electron configuration does NOT correspond with the associated transition…

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Q: How many unpaired d electrons are present in the orbital diagram of Ag?

A: Ag has 47 electrons. Electronic configuration is the distribution of electrons in various orbitals.…

Q: Which of the following has the largest I2? (Transition metals lose their s electrons before the d…

A: The outer shell electronic configuration is: K→ [Ar] 4s1     or [Ne] 3s23p34s1Ca→ [Ar] 4s2Sc→ [Ar]…

Q: Which of the following is paramagnetic?  Z of Sr= 38,  Ca=20,   I = 53,  Mn = 55 a.I - b.Ca c.Sr+2…

A: Paramagnetic species contains unpaired electrons.

Q: Explain the reasons for the trends in transition metals  -As you move across period, the atomic…

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Q: Write the ground-state electron configurations of the d-metals from yttrium to cadmium.

A: To find: Ground state configuration of yttrium to cadmium

Q: how can you diffrentiate between lanthanides and actinides ?

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Q: why is ionisation energy of 5d transition series higher than 3d and 4d?

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Q: How many unpaired electrons would you expect for chromium in [Cr(H2O)6]3+? Is this a paramagnetic or…

A: To determine the unpaired electrons, first make the orbital diagram of the transition element…

Q: Two elements in the second transition series (Y through Cd) have three unpaired electrons in their…

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Q: Place the following elements in order of decreasing atomic Zr Sr Xe

A:

Q: which of the d-block elements are not regarded as transition elements?

A: A transition metal is one which has incomplete outer d-orbitals when it forms one or more stable…

Q: The ground-state electron configuration of, O Fe is [Ar]4s 13d 5. V Cr O K O Mn

A:

Q: Place the following elements in order of  decreasing atomic radius. Cd Rb Xe     Rb > Cd > Xe…

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Q: Explain the following observations: (i) Generally there is an increase in density of elements from…

A: (i) On moving titanium (Z=22) to copper (Z=29) in general atomic mass increases where as atomic…

Q: Which ground state electron configuration does NOT correspond with the associated transition…

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Q: 21. Order the following atoms in increasing first ionization energy: Cr, O, P, Rb

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Q: 5. Discuss the origin of the hyperfine structure. What are the assumptions made for the nucleus?…

A: Answer - Hyperfine structure  - In spectroscopy, the splitting of a spectral line into a number of…

Q: Which element has the following configuration: [Xe]6s²4f¹12 Enter the chemical symbol for the…

A: Part C  Given :- electron configuration = [Xe]6s24f11  To determine : chemical symbol for this…

Q: A Wheh of the following electron contiqurations opplies, to the ground state Ironc) ions? a.) I Ar]…

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Q: Which transition metals have a maximum O.N. of +6?

A: Transition metals: These are the elements that have partially filled d subshell. In other words, the…

Q: 3. Which of the following shows the correct configuration? A. La:[Xe]6s²4f¹ B. Cr: [Ar] 4s¹3d³ C.…

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Q: Question attached

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Q: why d-block elements are considered as transition elements. explain

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Q: How many unpaired d-electrons could Re(CO)5 have? Which is more reasonable? Why?

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Q: A ground-state atom of Cr*3has. unpaired electrons and is

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Q: Which of the following element belongs to actinides?(1) Lu(2) Gd(3) Ce(4) U

A: In a periodic table, element having atomic number from 89 to 103 are termed as actinides. Therefore,…

Q: Which of the elements indicated below would be classed as a transition element? 1s2 2s2 2p6 3s2 3p6…

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Q: Explain the following observations :(a) Silver atom has completely filled d-orbitals (4d10) in its…

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Q: Explain the following observations: (i) Transition elements generally form coloured compounds. (ii)…

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

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: The number of unpaired electrons in the electron configuration of a Cr atom is.

A: Atomic number of Cr = 24  Cr has total 24 electrons