If the energy of the H2, covalent bond is –4.48 eV, what wavelength of light is needed to break that molecule apart? In what part of the electromagnetic spectrum does this light lie?

Q: Define the term electron domain?

A: An atom is surrounded by the electrons. It can be lone pair or the bond pair of electrons. Lone pair…

Q: Write ground-state electron configurations for the following ions:  K+, Mg2+, O2-, I-, Al3+,

A: 1. K+ Atomic number of K = 19 Electron configuration of K = 1s22s22p63s23p64s1 K on losing 1…

Q: Ti and Hf behaveas though they possess the same number of valence electrons.Which of the subshells…

A: Electrons from the most outer shell always behave as valence electrons. But if we have elements with…

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: Define the term nonbonding orbitals?

A: Molecular orbitals define the positions and energies of electrons in a molecule. The molecular…

Q: Write the electronic configuration of: (i) Al3+ (ii)K+ (iii)O2-

A: Electronic configuration of :  i) Al3+ = ?  ii) K+ = ?  iii) O2- = ?

Q: Write the electronic structure with the noble gas abbreviation for Polonium  Polonium Z = 84…

A: Polonium atomic number = 84  number of electron = 84 For polonium electronic configuration we use…

Q: Write the ground state electron configurations for the Zn2+, Cu2+, Co2+, Fe3+, and Cr3+ ions. You…

A:

Q: Do Cr3+ and V2+ have the same or different electron configurations?

A: Cr3+ and V2+ both are transition metal ions and yes,they possess the same electronic configuration.

Q: The atomic number of iron and nickle is 26 and 28 respectively. Give the electronic configuration of…

A: Electron configuration is the distribution of electrons of an atom or molecule in atomic or…

Q: What +2 ion has the electron configuration: [Kr]4d?

A: Given that : We have to determine what +2 ion has the electron configuration : [Kr]4d2

Q: Determine which of the following species would have this electron configuration:…

A: Here we have to predict chemical species having the given molecular electron configuration.

Q: Doesn't N have 5 valence electrons or did do that incorrectly?

A:

Q: (a) Draw the Lewis structure for hydrogen peroxide, H2O2.(b) What is the weakest bond in hydrogen…

A: (a) The compound H2O2 is formed by sharing of electrons between two hydrogen (H), two oxygen (O)…

Q: The energy required to break one mole of fluorine-fluorine bonds in F2 is 155 kJ/mol. What is the…

A: Write the expression of energy with the wavelength of light. E=hcλ where h is Planck constant, c is…

Q: Write the condensed (noble-gas) electron configuration of Cr²⁺, Co2+,Mn4+,and Cr3+

A:

Q: What property of a chemical bond gives rise to the infrared spectrum of a compound?

A: Given Chemical bond To find  The property of a chemical bond that gives rise to IR spectrum

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: Give the full electron configuration of Be2+.

A:

Q: The bond length of HCI is 1.29 x 1010 m. Based on this information, identify the position of the…

A: Given Bond length of HCl = 1.29 x 10-10 m

Q: By using photons of specific wavelengths, chemists can dissociate gaseous HI to produce H atoms with…

A: The average bond dissociation enthalpy for the HI is 295 kJ/mol. The longest wavelength of the light…

Q: valence electrons

A:

Q: Based on data in Table 8.1, estimate (within 30 kJ>mol) thelattice energy for (a) LiBr, (b) CsBr,…

A: (a) The ionic compound LiBr has cation Li+ and anion Br-. The lattice energy for LiBr is the amount…

Q: The stratospheric ozone 1O32 layer helps to protect usfrom harmful ultraviolet radiation. It does so…

A: The enthalpy of formation of ozone gas, oxygen gas and oxygen atom can be shown as follows- 32O2…

Q: How many valence electrons does an atom of S have?

A: S ( Sulphur) is a non-metal.Atomic number: 16Electronic configuration: [Ne] 3s²3p⁴As per the…

Q: The molecule butadiene has four carbon atoms with conjugated structure;thus, N = 4. Calculate the…

A: Dear student this question is related to organic chemistry.

Q: What is the ground state electron configuration of the selenium anion (Se-)? [Ar] 4s23d104p3 [Sr]…

A: Here, we have to find the ground-state electron configuration of the selenium anion (Se2- ).

Q: Notice that the center atom and the two corner atoms along a diagonal all touch. What is the length…

A: Given:  I) A cubic unit cell with edge length = a II) Radius of the atom = r

Q: Write the electron configuration for the Br atom and the predicted Br ion.

A: ◆ Electronic Configuration is the distribution of electrons in the energy levels of the atom. The…

Q: The energy required to break one mole of a hypothetical element X-X bonds in X2 is 145 kJ/mol. What…

A: The expression that relates energy of a radiation to the frequency of radiation is known as Planck's…

Q: In the ground-state electron configuration of Fe3+, how many unpaired electrons are present?

A: The atomic number of iron is 26, which means it contains 26 electrons.  These electrons are arranged…

Q: A bond vibration has a frequency of 8.52x1013 Hz. a. What is the energy associated with this…

A:

Q: CO absorbs energy in the microwave region of the spectrum at 1.153 x 105 MHz. This absorption can be…

A: CO is microwave active and behave  as rigid rotor atomic mass of carbon C= 12 gm atomic mass of…

Q: Determine which of the following species would have this electron configuration: (02s)…

A: According to the molecular orbital theory the atomic orbitals combine to form molecular orbital. The…

Q: . The spacing between the lines in the microwave spectrum of H"Cl is 6.350 x 10" Hz. Calculate the…

A: The spacing between the lines in the microwave spectrum is equal to 2B, B is the rotational…

Q: I just need some help understanding how to tell the different between the size, shape , and energy…

A: In quantum mechanics and atomic theory, the term atomic orbital refers to a mathematical function…

Q: C) Consider two hydrogen atoms and the first electron is in the n = 1 state, while the second…

A: n= 1 state electron is in basic arrangement calculation for C ) - for radius for n = 1, for electron…

Q: Write down the uncondensed electronic configurations for Co;; Co2+ and Co3+. In the case of the…

A: Atomic number of Co is 27

Q: b. This N-N bond can be broken by light of wavelength (A) 733 nanometers or shorter, what is the…

A: Wavelength and frequency are inversely proportional to each other . The relationship can be…

Q: trigonal

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Q: Suppose that the H2+ ion is excited by light so that an electron moves from a lower-energy to a…

A: High energy state are unstable so electron cannot stay there. When am electron excited into higher…

Q: Use the data from the table above to provide estimates for the first ionization energy of an…

A: The detailed solution of your question given below-- We know that as we move down the group in the…

Q: Write the condensed (noble-gas) electron configuration of Fe³⁺.

A: Fe loses three electrons and form Fe3+ First , we know the atomic number of Fe which is 26 and…

Q: Use the data from Table 1 to calculate the energy to separate 1 mol of chloromethane, CH3CI (g) ,…

A: Enthalpy of atomization :- The enthalpy change involved in conversion of 1 mol of a substance into…

Q: The energy of a C-C single bond is 347 kJ/mol. What wavelength of light does a photon need to have…

A: Given: Energy of C-C single bond ( E ) = 347 kJ/mol = 347000 J/mol E = 347000 J/mol6.022×1023 E =…

Q: Which of the following is the electron configuration of a neutral Fe atom?

A: Explanation to the correct answer is given below

Q: a) How many core electrons does the Ni atom have? b) How many valence electrons are in the Ni* ion?

A: To solve this question we need to know the difference between valence electrons and core electrons.…

Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.