Element X needs 508,379 kJ/mol to remove one of its 1s electrons. Calculate Zeff charge felt by its 1s electron and find the identity of element X. Rydberg constant = 2.179×10^-18 J.

Q: The electron configuration of an element is: 1s? 252 2p6 3s² 3pó 4s² 3d10 4p6 5s² The Group and…

A: Last electron enters ns2 orbital. Therefore, this element belongs to s-block elements.

Q: 9. Complete the following table. In the final column, calculate the sum of the superscripts for the…

A: Given are four elements and we have to tell their atomic no., No. Of electrons and sum of…

Q: What is the wavelength of light (in nm) emitted when an electron transitions from n = 5 to n = 2 in…

A: Given, n1 = 2 and n2 = 5 According to the formula, 1λ = R(1n12 -1n22 )  Where R = 109678 cm-1

Q: Following successive ionization energies (IE in kJ/mol) are for which atom? IE1 = 787 IE2 = 1577 IE3…

A: Energy required to remove an electron from outmost orbital.

Q: A pictorial representation of an electronic configuration is shown. The picture is attached below.…

A: Name of element depend total number of electrons

Q: Why do atoms get smaller as you go across the row on the periodic table? why do atoms get larger…

A:

Q: The energy required to ionize sodium is 496 kJ /mol. What minimum frequency of light is required to…

A: To calculate minimum frequency of light required to ionize sodium we required to find out first…

Q: How many orbitals (beds) are in an s sublevel? How many in a p sublevel? OS: 3, p: 3 OS: 2. p: 3 OS:…

A: Atomic orbitals are the three-dimensional space in which the electron finding probability is…

Q: 1A SA 1 4p 3A 4A 5A 6A 7A Не 2A 3d Li Be B C N O F Ne Зр Na Mg Al Si P S ci Ar 3B 4B 5B 6B 7B - 8B -…

A: Hydrogen -> Number of protan = Number of electrons =1

Q: Select the atom for each of the following statements.

A: I has the greatest electron affinity (most negative)

Q: Rank these three states according to the ionization energies needed to produce each one (smallest to…

A: Ionisation energy of (I) is highest as the the 4s orbital is completely filled. Then the (II)…

Q: How many electrons in an atom could have these sets of quantum numbers? n = 2 n = 5, f = 1 n = 6,=…

A: we have to calculate the number of electrons for the given quantum numbers

Q: ALL BUT ONE of the following sentences provide reasonable explanations for the overall trend and the…

A: Ionization enthalpy. Correct answer is C. Removing an extra electron from the full valence shell of…

Q: Write the complete ground-state electron configuration of Si.

A: •"Si" denotes about "Silicon element" •"Si" atomic number is 14. •"Si" contain 14 electron in…

Q: 1. Describe and explain the changes in ionization energies across the second row of the Periodic…

A: What the changes in ionization energies across the second row of periodic table ?

Q: Following successive ionization energies (IE in kJ/mol) are for which atom? IE1 = 1085 IE2 = 2355…

A: Ionization energy- It is the minimum energy required to remove the electron from its outermost shell…

Q: 4. The configuration notation provides an easy way for scientists to write and communicate how…

A: Quantum numbers is a set of numbers which is used to determine the position and energy of the…

Q: When writing the electron configuration of Hg (Z = 80), the last electron added goes into what type…

A: The element mercury (Hg) with atomic number 80 belongs to the 12th group of periodic table. That is…

Q: Calculate the energy in J required to remove the outermost electron in 1 mole of sodium atoms.

A:

Q: [Ne] 3s1 Na 11 protons 11 electrons 0 net charge F Empty space 1s2 2s2 2p6 = [Ne] Na (positive ion…

A: Electronic configuration of Ne is 1s22s22p6   Electronic configuration of Na is 1s2 2s2 2p6 3s1…

Q: IE₁ 999 Consider the following set of successive ionization energies (in kJ/ IE3 IE4 IES 3361 4564…

A: From the data given, first six ionization energy gap is small but energy difference between seventh…

Q: How are the electron configurations of F-, O2-, and Na+ similar?

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: Write electron configurations to show the first two ionization processes for lithium. (Express your…

A:

Q: which atom or arm from the list below has the smallest radius

A:

Q: Which of the following shows the arrangement of electrons in beryllium (Z = 4)? (s, p. d. frepresent…

A:

Q: Finally, examine the atomic spectrum below. Estimate the wavelength of each spectral line, then use…

A: The spectral lines are observed at- 462 nm 492 nm 612 nm 662 nm

Q: that

A:

Q: < Question 15 of 28 What is the wavelength of light (in nm) emitted when an electron transitions…

A: Electron in hydrogen transition from n = 5 to n = 2nf = 2ni = 5Wavelength of the light emitted (λ) =…

Q: As we move across period 4 of the periodic table, the electron affinities of Ge, As,and Se,jumpfrom…

A: Electron affinity is defined as the energy required to add an electron to the outermost shell of a…

Q: What's the full electron configuration of the atom CI ? 1s? 2s? 2p6 3s? 3p5 1s? 2s? 2p6 3s? 3p4 1s2…

A: There are 17 electrons in a chlorine atom. The full electron configuration of Cl atom is =…

Q: Fill in the table with the corresponding sets of quantum numbers of the outermost valence shell.…

A: Fill in the blanks by using quantum number of the element---

Q: Each orbital diagram shown below describes an excited state of an atom of a different element. Use…

A:

Q: Determine the energy change associated with the transition from n=3 to n=2 in the hydrogen atom. OA.…

A:

Q: What energy would be required to completely remove an electron from the n=5 level of hydrogen?

A:

Q: A neutral atom has the following electron configuration: 1s²2s²2p² What is the chemical symbol for…

A:

Q: Write the electron configuration for each of the following elements (these are not real elements,…

A: Electronic configuration is a way of filling electrons of an atom in increasing order of energy…

Q: Using the Bohr model, calculate the energy associated with the transition from n = 4 to n = 1 (in…

A: Hello. Since multiple questions have been posted, the first question shall be only solved in this…

Q: Calculate the energy of an electron in the n = 3 state of a He+ ion.

A: Given n = 3  He+ ion so,  atomic number = 2  k = 2.179 x 10-¹⁸ J  We have to calculate energy of…

Q: 1. calculate the emission wavelength in nm of the photon that is emitted when an electron in a…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Chemistry Consider a neutral hydrogen atom with an electron at the n = 3 energy level. What are the…

A: According to Bohr theory , energy of single electron species  can be found by applying the formula…

Q: A neutral atom has the following electron configuration: 1s²2s²2p 3s 3p 3d ¹4s² What is the chemical…

A: Electronic configuration: Electronic configuration can be define as the arrangement of electrons…

Q: What is happening to the electrons and charges in the Bohr models?

A: we are given Bohr model of sodium and chlorine atom and asked to explain as what is happening with…

Q: What's the full electron configuration of Li? O 1s2s! O 1s 2s2 O 1s°2s 2p! O 1s 2s²2p 2s!

A: Lithium has a atomic number 3 .It means the number of electron is also 3 . The way of filling the…

Q: Determine the amount of energy lost by an electron that drops from the eight (n=8) to the first…

A: