Based on the properties from this chapter and their positions in the periodic tables, provide one pro and one con of using Cd2+ as a Zn2+ substitute?

Q: Titanium is resistant to corrosion because O its surface is coated with titanium oxide it is hard…

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Q: Suppose you were trying to find a substitute for K* in nerve signal transmission. Where would you…

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Q: Magnesia contains Mg?* and 02-. Which of these ions is larger? Explain.

A: Given that : Out of Mg2+ and O2- ion, we have to identify which one is larger.

Q: (1) What is the valence electron configuration for the krypton atom? (2) What is the valence…

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Q: Which outer electron configurations would you expect to belong to a reactive metal? O ns² p² O ns' O…

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Q: Predict the larger ion in each of the following pairs. Give reasons for your answers. (a) O¯, S²-…

A: Atomic size increases on moving down the group and decrease on moving right of the periodic table.

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

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Q: Based on the electron configuration of the two atoms, predict the ratio of metal cationic (+) atom…

A: Given the electronic configuration of  H and F as follows, H - 1s1 F - 1s22s22p5   We have to find…

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Q: Which of the following metals is the most chemically reactive?  : Sr, Mn, Be, or Cr  Which of the…

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: . What is the electron configuration of Zn2+ ? Is it paramagnetic diamagnetic? or

A: We have to write the electronic configuration of Zn2+

Q: Identify the orbital diagrams of Ti, Tỉ²+, and Ti4+. Ti Tj2+

A: Given that : We have to draw the orbital diagrams for Ti, Ti2+, and Ti4+.

Q: Which outer electron configuration would you expect to correspond to a reactive metal? To a reactive…

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Q: Discuss the importance of electron affinity and ionizationenergy in the formation of ions.

A: Electron affinity:   release of certain amount of energy when an electron is added to neutral…

Q: What is the lowest energy electron configuration for the Ag+ ion?

A: Silver loses one electron to form Ag+ ion. The atomic number of silver is 47. And its electronic…

Q: 11. What is the ground state electron configuration for the Fe2+ ion? а. [Ar] 4s23d4 b. [Ar] 3а6 c.…

A: Atomic radius is defined as the distance from the centre of nucleus to outermost shell of atom.

Q: Zinc in its 2+ oxidation state is an essential metal ion for life.Zn2+ is found bound to many…

A: The atomic number of zinc is 30 and the atomic number of cadmium is 48 both the elements belong to…

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

A: In periodic table, on moving left-right the element's electronegativity as well as atomic number…

Q: For each of the following pairs, indicate which element hasthe smaller first ionization energy: (a)…

A: The first ionization energy is the minimum energy required to remove the electron from an isolated…

Q: When a nonmetal oxide reacts with water, it forms anoxoacid with the same nonmetal oxidation state.…

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Q: Which of the following elements would you expect to have the lowest first ionization energy? Select…

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Q: What alkaline earth metal is located in period 4 of the periodic table of elements? اختر احدى…

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Q: Where are the metals located in the periodic table 1. 4. 6. 6. 10 11 12 13 14 15 16 17 18 He 10 Ne…

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Q: using the concept of effective nuclear charge, can you explain the fact that I1 < I2 < I3 < I4 < I5?

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Q: Using one or more energy level diagrams, explain the multiple ion charges of As3+ and As5+.

A: A question based on energy level diagram, which is to be accomplished.

Q: Write the electron configuration for Si7+ ion.

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Q: WWW TAT Groups are numbered 3B to 12B from left to right across the periodic table for the…

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Q: What is the electron configuration for P 3- Ion?

A: Electronic  configuration  tell no of electron  present  in each orbital.

Q: Silane, SiH., is a colorless, pyrophoric, toxic gas that is used to deposit elemental silicon for…

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Q: What is the best (lowest energy) electron configuration of fe3+?

A: The abbreviated electronic configuration is the simplified representation of electrons in the…

Q: most negative (most exothermic) electron affinity

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Q: Which element in each of the following sets would you expect to have the lowest third ionization…

A: Given elements are :  Which element in each set have the lowest third ionization energy (I.E3) = ?…

Q: Arrange the following sets of ions in order of decreasing ionic radii. Br, Cl, I, Se? Cst, Fr+, Rb+

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Q: 1. Calculate the effective nuclear charge of the 59th electron in Platinum 2. Give the noble gas…

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Q: What is the valence electron configuration for the helium atom? (2) What is the valence electron…

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

Q: Write the full electron configuration of iron, Fe. electron configuration: Write the full electron…

A: electronic configuration of iron Fe, atomic number of iron = 26 1s2 2s2 2p6 3s2 3p6 4s2 3d6

Q: Predict the larger ion in each of the following pairs. Give reasons for your answers. (a) S²-, Cl-…

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Q: Which atom would have the largest effective nuclear charge for its valence electrons? a) Si b) S…

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Q: Before the element scandium was discovered in 1879, it was known as “eka-boron." Predict the…

A: Scandium has an Electronic configuration of [Ar]4s2 3d1 and valence is 3 and it in between Calcium…

Q: Select the greater of each of the following pairs of radii.     The covalent radius of Ge The…

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Q: Based on their positions in the periodic table, predict whichatom of the following pairs will have…

A: Ionization enthalpy is the amount of energy required to remove the most loosely bounded electron…

Q: describe the change in the atomic radii for the elements in period 2 from lithium to neon

A: Atomic radius: The radius of an atom. This is the distance between an atom's nucleus and outer…

Q: Which ionization process requires the most energy? A) Ga*(g) → Ga2+(g) + e° B) Ga(g) → Ga*(g) + e¨…

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Q: 5. Which of the following is isoelectronic with an ion of cesium (Cs)? а. Ва b. Cs с. Те? d. I е. Rn

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Q: 2) Write the full electron configuration for each ion. a) F b) K* c) Cu* *

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Q: Which element listed below would have the lowest first ionization energy?   K Cl Ca Br Se

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

Q: Could u help me with this question? 1) Provide the chemical symbol of a neutral element with only…

A: Atomic number = number of protons  in a neutral atom ;   number of protons = number of electrons…

Q: which one has the largest second ionization energy? Cs K C Si Na

A:

Q: Which arrangement is in the correct order of increasing first ionization energy? Select one: a. F <…

A: When a valence electron is ejected from the isolated gaseous atom, a certain amount is energy is…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.