Watch the video on electron affinity and identify which of the following statements matches each reaction. Drag the appropriate items to their respective bins.

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

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Q: A sealed, evacuated tube containing KCl and a small amount of potassium was exposed to a Tesla coil…

A: Tesla coil is a radiofreequency oscillator to produce high voltages. The spark from the Tesla coil…

Q: In a typical fireworks device, the heat of the reaction betweena strong oxidizing agent, such as…

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Q: • B. What do you understand by shielding effect? Arrange the following in order of increasing atomic…

A: Shielding effect: The electrons present closer to the nucleus in an atom, are capable of shielding…

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: Which of the following halogens has the largest atomic radius? O Chlorine O lodine O Bromine O…

A: CORRECT Ans- Iodine has largest atomic radius among given halogen elements.

Q: In the lab, you should have observed that the reactivity of metals increased down a group. Explain…

A: ELECTRON SHIELDING : It is the phenomenon by the virtue of which the attraction of electrons by…

Q: The standard formation enthalpy of KCl is -571 kJmol-1. Plot the Born-Haber cycle and calculate the…

A: Born haber cycle is used to calculate the lattice energy of a molecule by comparing the enthalpy…

Q: What does presenter say about the relationship between the number of valence electrons of the…

A: Main group elements consist of s-block and p block elements. s-block elements consist of alkali and…

Q: How many valence electrons does Oxygen, Sulfur, Selenium, Tellurium and Polonium have?

A: The term valence electrons refer to the electrons which are present in the outermost shell (also…

Q: In one area of Australia, the cattle did not thrive despite the presence of suitable forage. An…

A: Electronic configuration: It is used to denote the distribution of electrons placed over orbitals…

Q: Using the following data, draw the Born Haber cycle for the formation of hypothetical compound of…

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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 of the following elements most easily gives up electrons during reactions: Li,K, or Cₛ ?…

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Q: Calculate photon wavelength for selenium Se=195 Electron affinity(KJ/mol) _____nm

A: Given electron affinity of selenium = 195 kJ/mol

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: Q. Arrange the following in their increasing size with the help of slater’s rule and also give…

A: Slater's rule is used to calculate the shielding constant and effective nuclear charge on the…

Q: An atom of which of the following elements has the smallest first ionization energy?  Rb or Si or F…

A: The energy which is needed to remove an electron that is loosely attached to an isolated gaseous…

Q: 1. Assuming that the light energy to 49.4KJ, what would be the maximum wavelength of light with…

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Q: Consider the following data for niobium: g 92.906 mol atomic mass electronegativity 1.60 kJ 86.1 mol…

A: Ionization energy is defined as the energy required to remove 1 electron from the gaseous state of…

Q: An atom with a stronger electron affinity is often more reactive. Given a pressurized chamber…

A: The question is based on the concept of periodic properties of elements. we need to identify which…

Q: 1. Which of the following elements has the lowest ionization energy?a. Rbb. Nac. Cd. F

A: The electronic configuration of each element is given below. Rb = [kr] 5s1 Na = [Ne] 3s1 C = [He]…

Q: 100 10 0.1 Binding Energy (MJ/mol) The photoelectron spectrum for the element boron is represented…

A: Answer : (B) The spectrum shows a single electron in the 2p subshell

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

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Q: please answer this question correctly.   1. For a group 15/5A atom, how many electrons must it…

A: The answer is given as follows

Q: The following equations represent the chemical process to determine electron affinity of atoms.…

A: Electron affinity is the ability of an atom to accept electrons in their outermost shell.It is an…

Q: By using Slaters rules, calculate the effective nuclear charge of the 22nd electron in bromine

A: Given element: Bromine

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: Which one of the following equations represents the electron affinity of chlorine? A. 2. C(g)+ é -…

A: The energy released when an extra electron is added to a neutral atom or molecule in the gaseous…

Q: Identify and encircle the element that has the lesser electron affinity. 1. vanadium and tantalum…

A: Electron affinity is defined as the change in energy (in kJ/mole) of a neutral atom (in the gaseous…

Q: b.) a 4f electrons in Ce, Pr and Nd. There is a

A: a) a 2p electron in O2-,F-,Na+and Mg2+  Actually Zα1size i.e. if size increases then Z* decreases.…

Q: What is electron affinity? How it varies in groups and periods of the Periodic Table. Note please…

A: The addition of an electron to any gaseous atom or any ion in its ground state, causes change in the…

Q: Question attached

A: Which ions have six d electrons in the outermost d subshell

Q: The three of the four ions shown below have the same electron configuration, but the fourth does…

A: We have to tell which ion has different electronic configuration than other ions

Q: Write out the reaction process associated with the first ionization energy and first electron…

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Q: There are properties associated with electromagnets. O a four O b one three two

A: Magnets in which magnetic field is produced by the electric current are called electromagnets.

Q: Arrange the following elements in order of decreasing metallic character. Rank values from strongest…

A: We know that in periodic table metallic character increases from top to bottom and decreases from…

Q: 2. Which one of the following equations represents the electron affinity of chlorine? Ch(g)+ é -…

A: Electron affinity of chlorine is represented by the following eqn : Cl (g) + e– ---> Cl– (g) +…

Q: Which of the following has the highest electron affinity?   F, Si, P or S.

A: Electron affinity is the amount of energy released when an extra electron is added to the neutral…

Q: The standard formation enthalpy of KCl is -571 kJmol-1. Plot the Born-Haber cycle and calculate the…

A: Born-Haber cycle is a series of reaction steps that includes enthalpy of formation, sublimation,…

Q: 18ula have a very different electron affinity value compared to the others? A) Ne B) AI C) O D) F E)…

A: electron affinity is defined as the tendency of an atom to accepts an electron in a gaseous sate…

Q: (a) Arrange the following in their increasing size with the help of slater's rule and also give…

A: Steps to follow (Slater rule) Step One: Electronic configuration.Step Two: Group the electrons as…

Q: Which ions have six d electrons in the outermost d subshell? Ru2+ Os2+ Fe2+ Mn2+ Tc2+ Zn2+ Y2+ Which…

A: The electronic configurations of the elements can be written as follows: Electrons are periodically…

Q: Which of these atoms is the most active?

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Q: Provide the electron configuration for the following and indicate how many unpaired electrons are…

A: The chemical species considered are Cl, Mt2+, Co3+, and Po.

Q: Place the elements in order of increasing electron affinity. Rank elements from smallest to largest…

A: Electron affinity : The electron affinity (Eea) of an atom or molecule  is defined as the amount of…

Q: What is the total spin of copper atom in its standard electron configuration? (Chemistry)

A: In writing the electron configuration for Copper the first two electrons will go in the 1s orbital.…