What is the electron configuration of Co²⁺?

Q: Which of the following electron distributions will be expected for [Rh(en)3]3+? Rhº: [Kr]5s24d7

A: ∙Firstly find out the oxidation state of    Rh in the given complex       Rhen33+As   en  is neutral…

Q: What should the central atom be? HCCI3

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Q: What charge and how many ‘d’ electrons does copper have in [Cu(OAc)2(H2O)]2 ?

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Q: Which of the following has the lowest first ionization energy? Rb Si P Al S

A: as along the period the first ionisation increases and along with the group the first ionisation…

Q: Arrange these elements according to electronegativity. N K Ga F Rb

A: The tendency of an element to attract the electron cloud towards itself can be termed as…

Q: What is the electron configuration of the He2 + ion?

A: The distribution of electrons in the various subshell according to the rules is known as the…

Q: Which of the following has the largest second ionization energy? O In O Sn OSr Rb O Sb

A: Second ionisation energy is defined as the energy which is required to remove the outermost electron…

Q: Which of the following species will have the highest ionization energy? O At O Po2- O Fr* O Rn

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Q: Which of the following would have the highest ionization energy? Cs K Rb

A: The elements given are K, Rb and Cs.

Q: Which of these ions is isoelectronic to the oxide anion O2 ? A) K* B) Mg²* C) CI D) S? E) Pb2*

A: Isoelectronic species can be defined as the species containing the equal number of electrons. Toe…

Q: 4. Give four neutral atoms or ions that could have the valence electron configuration shown below 2s…

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Q: Give the electron configuration and draw the orbital diagram for Co3+.  How many unpaired electrons…

A: The electronic configuration of a metal or its ion is the way of arranging the electrons in the…

Q: Which of the following atoms has three valence electrons? In         Cl         Ca        Ge…

A: This question is related to atomic structure. Electronic configuration is the distribution of…

Q: Choose the Lewis formulas for the ions in the compound. Ca2+ 2 [:Ca** 2 [ö=N-ö:] 2+ Ca2+ 2 2+ 2…

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Q: Determine the types (Type I, Type II, or Type III) AND the names of the following binary compounds:…

A: A question based on introduction to chemistry that is to be accomplished.

Q: How many anti bonding electrons are present in  [Ti(H2O)6]³+?

A: Since the given compound is octahedral and the ligand is H2O which is a sigma donar so t2g will be…

Q: 3. a) Describe the main differences between ionic, covalent, and metallic bonding.

A: Ionic bonding occurs when transfer of electrons takes place. One atom (or molecule) donates one or…

Q: What is the electron configuration of Al 3* ?

A: Given :- ionic symbol = Al3+  To determine :- its electron configuration

Q: Francium (Fr) atom possesses () than Fluorine (F) atom: smaller radius higher electropositivity…

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Q: Which of the following has the most valence electrons? Select one: a. CN− b. KF c. NO2 d. N2O e. HF

A: The valence electrons are the electrons that are present in the valence shell of the atom. The…

Q: Which of the following atoms will form a +2 ion? A. Li B. Al C. Mg D. O E. Br

A: Atoms can either lose or gain electrons , so that it outermost valence shell has eight electrons…

Q: is Cr-Br a polar covalent bond

A: Nature of the bond is based on the electronegativity difference between the bonded atoms. Non polar…

Q: Fill in the orbital energy diagram for the nitride ion. E 2s 1s 2p

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Q: Which of the following atoms or ions has two unpaired electrons? ON O Ti2+ Al

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Q: What is the chemical formula of the following molecular compound (covalent) Dinitrogen tetroxide? O…

A: Chemical proportions of the atoms in a compound are represented by the chemical formula of the…

Q: Whic of the following elements has the highest first ionization energy? a) C b) B c) F d)Li  e)…

A: Since we know that   Ionization energy is the amount of energy needed to remove an electron from…

Q: Which of the following is the electron configuration of a sulfide ion? O INe]3s 23p 1 O [Ne]3s 23p 2…

A: Total number of electrons in a sulfide ion ( S2-) = 16 + 2 = 18 Electron configuration of sulfide…

Q: What is the value of n for the valence shells of: Al Se Ba Sb

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Q: Which following ions share an electron configuration with a noble gas? A) N⁻ B) Na²⁺ C) H⁺ D) O²⁻ E)…

A: A) N⁻ Atomic number of N=7 Electrons in N⁻= 7+1 =8 Electron configuration of N⁻ = 1s2 2s2 2p4  Since…

Q: which of the following species is diamagnetic in nature: a   H2 b   H2^- c   H2^+

A: The species is determined to be diamagnetic if only pairing occurs and electrons present in the…

Q: Which of the following atoms has the lowest first ionization energy? OSi O Cs O Ca

A: Ionization energy: Energy required for an isolated gaseous atom to lose one electron to form…

Q: molecules of CH,O, dc 6.

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Q: symbol for the alkali metal that has valence electrons in n = 3

A: To determine the symbol of the alkali metal that has valence electron in n = 3 shell.

Q: Which is the valence shell of AI+3 ion? O A. N B. L C.M D. K

A: The atomic number of aluminium is 13. The atom of aluminium contains 13 protons and 13 electrons.

Q: The orbital diagram of 33AS has unpaired electron(s). O 3; it's paramagnetic O 3; it's diamagnetic O…

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Q: What is the charge on the Cr ions in Cr2O3?

A: We have Cr2O3 , we have to calculate the charge on Cr ion.

Q: Provide the electron configuration for each element/ion. Afterwards, determine the magnetic property…

A: If element or ion having unpaired electron then paramagnetic in nature and if unpaired electron is…

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: 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: Explain why N2 2+ is diamagnetic, while O2 4+, which has the same number of valence electrons, is…

A: The Lewis structure does not give any idea about molecular geometry but it purposed the distribution…

Q: Part C has highest ionization energy? As Cl F Part D loses an electron most easily? As CI K F O O O

A: Ionization energy : " The minimum amount of energy required to remove an electron from outermost…

Q: Which of the following statements about the species N2, CO, CN", and NO* is false? O All are…

A: The given species are N2,CO,CN-and NO+. The number of electrons in N are 7, O are 8 and C are 6.

Q: How many valence electrons does ns^2 np^4 have

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Q: 2. X is isoelectronic with Xe. It is reactive with anions.  a. Give the electronic configuration and…

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Q: 5. EXPLAIN THE RELATIONSHIP BETWEEN AN ELEMENT'S VALENCE ELECTRONS AND THE GROUP IT IS LOCATED IN.…

A: To determine : Relationship between the group number i.e the group in which element is located and…

Q: Which neutral atom is isoelectronic with each of the following ions? H-, Ca2+, In3+, Ge2+

A: Isoelectronic species are known as chemical species which have the same number of electrons. An ion…

Q: он „B, HO Pd(PPh)4 (cat) Na,CO, H Br

A: Suzuki reaction is also known as Suzuki-Miyaura reaction. Coupling partners are boronic acid and…

Q: Which of the following processes has the lowest ionization energy? S(g) S*(g) + e O st(g) → s2*(g) +…

A: The energy that is needed for the removal of an electron of an atom from its gaseous state is known…

Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.