Which of the following atoms is the most active metal? All can be found in the 5th row. Rb - rubidium Sr - strontium Y - yttrium O Zr - zirconium

Q: Which one of the following elements is an example of a transition metal in period 4? а. Carbon O b.…

A: Transitions metals are also known as d-block elements. These are present in the middle of the…

Q: Lanthanide contraction caused the similarities of the radius of the 4d and 5d metals and is…

A: Answer: Shielding of valence electrons from the Nucleus by the electrons present in the inner energy…

Q: Write balanced chemical equations for the following reactions:(a) cadmium burned in air(b) elemental…

A: (a)

Q: Write electron configurations for each transition metal.(a) Zn (b) Cu (c) Zr (d) Fe

A: The above elements are the first row of transition metal. Its outer most orbitals are 4s and 3d. So,…

Q: For each of the following ions, draw diagrams like thosein Figure 8.18 to show orbital occupancies…

A: As you have posted multiple parts of the question, hence we are solving only first 3 parts of the…

Q: 1.Which compound is used in respirators since it reacts with CO2(g) to produce O2(g)? a.RbO2 b.CsO2…

A: The compound which converts carbon dioxide into oxygen and makes respiration easier will be used in…

Q: How would you account for the following? (i) Transition metals exhibit variable oxidation states.…

A: The elements present in the d-block of the periodic table are known as transition metals as they…

Q: 1. Which of the following statements is correct? a. The transition metals have little variability in…

A: "Since you have asked multiple questions, we will solve the first question for you ( as per our…

Q: Determine whether the following complexes are likely paramagnetic or diamagnetic. A. [Fe(CO)6]2+ B.…

A:

Q: How would you account for the following? (i) The atomic radii of the metals of the third (5d) series…

A: (i) Due to the poor shielding effect of f-electrons, there would be lanthanide contraction.…

Q: How many unpaired d electrons does ion [Fe(CN)6]3— have when it has a low spin electron…

A:

Q: (b) Give the full name, the oxidation state and the valence shell electronic configuration for the…

A: Note: As per our guidelines, we are supposed to answer only the sub-parts of the first question…

Q: True or False: Elements exists in various oxidation states in the second and third transition series…

A: #1: Transition elements are present in between s-block and p-block elements in the periodic table.…

Q: Among the period 4 transition metals, which elements do not form ions where there are partially…

A: Zinc has completely filled d orbital, it loses 2 electrons from 4s orbital to form Zn+2 ion.

Q: All element of this group no matter its oxidation states , will be paramagnetic and coloured  gp 8…

A: When a substance is placed in a magnetic field, if it is repelled by applied magnetic filed then it…

Q: What is a transition metal? elements that have incompletely filled 4f subshells or that readily give…

A: D block elements are referred as transition elements.

Q: Which of the following oxides is used to maintain the red color of red meats? Select one: a. SO2 b.…

A: CO will displace Oxygen from hemoglobin because it have high affinity for hemoglobin. CO is used in…

Q: For each of the following ions, draw electron configuration diagrams for the d-orbitals (similar to…

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Q: Using standard electron counting procedures, the total valence electron count of the transition…

A: Please be noted that the structure of nickel complex is Ni(CN)42- but not Ni(CN)4-. Combination of…

Q: Which of the following ions would be colored in solution? A) Hf*+ B) V5+ C) La3* D) Co3* E) Ti**

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Q: 7. Solutions of transition metal ions are coloured because A The ions have variable oxidation states…

A: Transition metals are the d-block element and these elements lie in between the most electronegative…

Q: is iron (II) ion diamagnetic or paramagnetic?

A: Paramagnetic Or Diamagnetic nature is decided on the basis of unpaired electrons.

Q: Which of the following is considered diamagnetic?         a) K     b) Sc    c) Cr    d) Zn    e) Ge

A: On the basis of magnetic properties, solids can be further classified as diamagnetic, paramagnetic,…

Q: The lanthanide contraction explains which of the following periodic trends? The atomic ratio of…

A: In rare earth elements, the size of atoms and ions gradually decreases with increasing atomic number…

Q: Which of these are diamagnetic? Cl Rb+ Ar Ag+ Sc+ Cr Fe

A: Of the given ions or atoms, the one which has no unpaired electrons is diamagnetic in nature.

Q: Which element has the smallest radius? Ti,Co,Zn

A: Co has the smallest radius .

Q: Which of the following complexes is paramagnetic? O [Fe(CN)6]4- O Fe(CO)5 [Co(CN)6]3- [Co(NH3)62+

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Q: Use condensed electron configurations to predict the relative hardnesses and melting points of…

A: Condensed electronic configuration is written for elements of higher atomic number. It is written in…

Q: Give the oxidation state of the metal, number of d electrons, and the number of unpaired electrons…

A: Oxidation state of metal: x + 0 -3 = 3 x = 3 oxidation state of cobalt is +3. Electronic…

Q: Is Gd considered a F-block element, main group element, transition metal, or halogen? main group…

A: Gd is an atomic symbol of the Gadolinium element and has an atomic number of 64. Gadolinium is a…

Q: Which of the following atoms is diamagnetic? A) Mn B) O C) Sr D) Li E) CI

A: Given :-  Mn, O,  Sr,  Li,  Cl  To be determined :-  Atom which is diamagnetic out of the above…

Q: Rank the following in order of decreasing and energy of light absorbed: [Cr(en)₃]³⁺, [Cr(CN)₆]³⁻,…

A: The splitting energy increases, as the strength of the ligand increases.

Q: Which has the largest first ionization potential?        K        Mg        S        Cl

A: Ionization potential or ionization energy is the energy required to remove the most loosely bounded…

Q: Select the electronic configuration of a transition metal in its ground state. 6. O 1s 2s 2p O 1s 2s…

A: Transition metal are those metals which have partially filled (n-1)d subshell in free state or in…

Q: How many electrons are in the valence d orbitals in these transition-metal ions? (a) Cd2+

A: The electron configuration of cadmium is [Kr]4d¹⁰5s². Cadmium loses two electrons to become Cd2+.…

Q: Why do transition metals often react chemically as if they have a valence of 2?

A: the explanation is as follows:

Q: Which of the following transition metals would be expected to have the smallest atomic radius? A)…

A: We know that, As we move from left to right in 4d series, then size decreases to 4d5 tgen after…

Q: 2.The atomic number of iron is 24 what is the correct electronic configuration of FE3+ 3.The shape…

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Q: Arrange the following elements in order of increasing the first ionizination energy :Na,K,Cl

A: The energy required to remove the loosely bounded electron from the valence shell of an isolated…

Q: Write the electron configurations for each of the following elements and its ions:(a) Ti(b) Ti2+(c)…

A: (a) The atomic number of Ti is 22, so the number of electrons in Ti is 22. Hence, the electronic…

Q: • a transition metal in the fourth period • a metal in the third period a non-metal in group 6A, or…

A: All the elements are arranged in the periodic table in order of atomic number.  There are total 7…

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: The first ionization energies of iron, cobalt, nickel, and the first three platinum metals are all…

A: The ionization energy is the energy needed to remove an electron from the outermost shell of the…

Q: Which one of the following elements has higher fourth ionization energy?   Sc (Z = 21) or Ti (Z =…

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Q: On the basis of the 18-electron rule, identify the first-row transition metal for each of the…

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Q: Which of the following transition metals has a vacant f orbital? Cd V W Zr

A: Which of the following transition metals has a vacant f orbital?

Q: 1) Can you use the aforementioned periodic trends (Oxidation number,Ionization energy,Electronic…

A: The activity of any metal depends on electronic configuration. Each ion wants to attain Nobel gas…