-1) d d. +1 d d

Q: (a) What are valence electrons? (b) How many valence electrons does a nitrogen possess? (c) An atom…

A: a) Valence electrons are the electrons that are present in the outermost shell or outer core of any…

Q: What is the reticular energy? Mg²+ (g) + 0(g) AH2nd IE (Mg) = +1451 Mg*(g) + 0(g) Mg(g) + 0(g) Mg(g)…

A: We have to calculate Reticular energy or lattice energy

Q: How much energy is required to excite an electron from a n3 ⟶⟶ n5 within the hydrogen atom?

A: The answer to the following question is -

Q: 3. Calculate the net energy of a Na* and Chion pair separated 1.275 nm apart, if the net force of…

A: Here we have to determine the net energy of Na+ and Cl- ion pair separated by distance of 1.275nm…

Q: 6. Explain the below diagram using N2 as an example [7] D Decrease Size of Atom Decre 000…

A: Step 1:Atomic Size: As you move from left to right, the diagram on the left illustrates how atoms…

Q: Write the complete ground-state electron configuration of Cu²⁺

A: Since, Electronic configuration represent the electron present in orbital in which way. Arrangement…

Q: 2) The ionization energy of potassium is 4.34 eV; the electron affinity of iodine is 3.06 eV. At…

A:

Q: Pauli exclusion principle specifies that each (1) can hold (2) two electrons, which must have (3)…

A: Pauli exclusion principle states that in a single atom no two electrons will have an identical set…

Q: Prove that the potential energy of the electron is Etotal -e?/ (8περr)

A:

Q: 7.5 B What must the distance be between charges of +2.25 and −1.86 for the attractive force between…

A: The Coulombs law states that the force of attraction is directly proportionally the magnitude of two…

Q: 5.) Electron Configurations for Ions: Supply the ground state electron configurations for the…

A: Step 1) Introduction to the electronic configuration: The electronic configuration can be explained…

Q: (c) The standard enthalpy of formation of O(g) is 249 kJ/mol. Calculate the wavelength (in nm) of…

A: Given data Enthalpy of formation of O (g) = 249 KJ/mole It means  12 O2 (g) → O (g)          ∆H=249…

Q: a) Calculate the numerical values of the energies of the first four energy levels in hydrogen in…

A: Electron energy is given by,       Electron energy=-2π2me4n2h2(4πεo)2Where,         m=mass of…

Q: what are the issues that are the evident of the failure of the plum pudding model of atoms? why the…

A:

Q: For charges of +2 and −2, separated by adistance of d, the electrostatic potential energy is E. In…

A: Electrostatic potential energy is the ratio of product of 2 charged particles and distance between…

Q: Calculate the average kinetic energy, in units of EH, of

A: E=EH(Z2/n2)    where z=number of proton and n=principal quantum number E total energey and kinetic…

Q: Calculate the energy required to convert 6.022x1023 neutral lithium atoms in the gas phase into Li+…

A: The amount of energy required to remove an electron from an isolated gaseous atom to form a positive…

Q: although we associate Pz 2. Now we will move on to diatomic molecules. In atoms all p-orbitals are…

A: The objective of the question is to understand the molecular orbital (MO) energy level scheme for…

Q: For each of the following pairs of atoms, state which you expect to have the higher first ionization…

A: For each of the following pairs of atoms, state which you expect to have the higher first ionization…

Q: 1. Explain how the following equation can be manipulated and used to approximate the ionization…

A:

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

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

Q: . What is meant by inert pair effect? explain. List two (2) major reasons for the inert-pair effect.

A: The inert pair effect refers to the phenomenon where the outermost s-electrons (ns2) in the atoms of…

Q: For each of the statements below, indicate whether it is true or false and explain your reasoning.…

A: 1. True Penetration effect of s-orbital is more than p-orbital, so it takes more energy to ionize an…

Q: 1. The dissociation energy of the hydrogen molecular ion H2' is 250 kJ/mol while the ionization…

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

Q: What is the energy difference between the F2 molecule and the separated atoms? Express your answer…

A: Introduction: To calculate the energy difference between F2(g) molecule and its seperated atoms we…

Q: 16 1 1111 Example 4. Why do the transition elements exhibit higher enthalpies of atomisation? ( ADA…

A: The transition elements exhibit higher enthalpy of atomisation because

Q: Consider the setup below. 20cm 10cm 1µC -1µC 1µC 1. Which direction will the negative charge in the…

A: We have to see the distance if the distance between two charge small then two charge attract each…

Q: Group the electronic configurations of neutral elements in sets according to those you would expect…

A: The process of Filling of electrons in orbitals in increasing order of energy obeys pauli's and…

Q: O: 1s 2s 2p, 2p,? (1L IL_); there are no unpaired electrons in this oxygen atom. This configuration…

A: 99)

Q: 8. Which of the following equations represents process used to determine the ionization energy? A.…

A: Given equations: X(g) → X+(g) + e- X+(g) → X+(aq) X(g) + e- → X- (g) X+(g) + e- → X(g) We have to…

Q: 3. In general, as you go down a column in the periodic table, will the interaction between the…

A:

Q: Coulomb's Law yields an expression for the energy of interaction for a pair of point charges. 2.31 x…

A:

Q: Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of…

A: The minimum amount of energy required to remove outermost shell electron form an isolated Gaseous…

Q: In a gaseous NaBr particle, the internuclear distance is 2.95 x 10-10 m. Using the following data…

A:

Q: 3. In which case the superposition principle holds for the energy of the electric field?

A: Answer :----The superposition principle is a fundamental concept in the study of the electric fields…

Q: e electronic configurations of neutr properties.

A:

Q: Directions: Identify the direction of the electric forces exerted by the charges on one another.…

A: The explanation is given below-

Q: An atomic cation with a charge of +1 has the following electron configuration:…

A:

Q: Two particles with charges ?1q1 and ?2q2 are separated by distance ?.d. Arrange these scenarios…

A: The magnitude of the electrostatic potential energy can be calculated as follows,

Q: Write the noble gas orbital box electronic configuration of (i) S, and (ii) Ca*.

A: The atomic number of S is 16. It contains sixteen electrons. The noble gas orbital box electronic…

Q: 11. Which of the following а) те2- b) ва 2+ c) (st dj Br топь is not iso electronic with the noble…

A: Isoelectronic species are species which having equal number of electrons in it. Xenon is a noble gas…

Q: Photoelectron spectroscopy applies the principle of the pho-toelectric effect to study orbital…

A: According to Planck's constant, the energy difference for transition between two levels  is directly…

Q: Answer the following questions related to the chemical bonding in substances containing Cl. (a)…

A:

Q: What is the property of an atom that determines whether its interaction with another atom ranges…

A: Covalent bond: The chemical bond is formed by equal sharing of electrons between the two atoms is…

Q: 9. For each of the following choose the electron affinity that is more thermodynamically favored.…

A: To add one electron in valence shell of an element the amount of energy released is called Electron…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.