What minimum frequency of light is required to ionize lithium?

Q: Describe and apply the periodic trends for first ionization energy. Identify which of the following…

A: The elements given are Mg, Sr, In, Br and Pb.

Q: Write the Full Electron Configuration for the Element : Zirconium (Zr)

A:

Q: Why do the noble gases have the lowest electron affinities?

A: The energy released when an electron is added to the outermost orbital of isolated gaseous neutral…

Q: Use the periodic table to write electron configurations for each element.(a) Al (b) Be (c) In (d) Zr

A:

Q: 7.26 Define atomic radius. Does the size of an atom have aprecise meaning? Explain.

A: To find: Definition of atomic radius.  Does the size of an atom have a precise meaning? Explain

Q: 9.22 Predict a possible monatomic ion for Element 117 Given the spherical models below, which should…

A: Element 117 would fall in Group 7A, the halogens. The monatomic ion for this element would maybe be…

Q: Determine the radius of a tantalum atom.

A:

Q: 7.13 Write the outer electron configurations for the (a) alkali metals, (b) alkaline earth metals,…

A: a) Alkali metals = The outer electronic configuration of alkali metals is ns1. (n = principal energy…

Q: The atom having the valence-shell configuration 4s- 4p would be in. ........ Group IV and Period 4…

A:

Q: When do the effective nuclear charge that an electron experiences increase?

A: Effective nuclear charge can be defined as the net positive charge which is experience by an…

Q: electron affinities (the energy associated with gaining anelectron) of the period 3 elements. Refer…

A: The electron gain enthalpy of an element may be defined as the energy released when a neutral…

Q: 7. What is wrong with the statement "The atoms of element X are isoelectronic with the atoms of…

A: Matter is the substance or the material which has some mass and can occupy some space. It is made up…

Q: 7.125 How do ionization energies change with increasing atomic number (a) down a group of elements…

A: Ionisation energy (IE) : The ionisation energy is defined as the amount of energy to remove the most…

Q: How do permitted energy levels of the electron allow us to identify a specific element?

A: Every element has unique atomic no and extrinsic configuration .

Q: Why does flourine have a smaller atomic radius than magnesium?

A: Magnesium belongs to 2nd group and 3rd period .The element fluorine  belongs to 17 th group and 2nd…

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: Explain how irregularities in the periodic trends for electron affinity can be related to electron…

A: Electron affinity is the energy released or gained when an electron is added to the gaseous…

Q: The first four successive ionization energies of an element X in kJ mol' are 900, 1758 14905 and…

A: Solution Ionisation energy It is defined as the energy required to remove the electron from…

Q: An element that is commonly used in solar cells and other photovoltaic devices is reflect by the…

A:

Q: Write the condensed ground-state electron configuration for the element Na

A:

Q: 7.45 In general, the first ionization energy increases from left to right across a given period.…

A: Magnesium and aluminum lies in the same period - 3 but in different groups. Magnesium is the block…

Q: Predict the trends in ionization energy as successive electrons are removed, including the…

A: Ionization energy is defined as the energy required to remove the electrons from the valence shell…

Q: Ionization energies are always negative quantities. True or false?

A: ANSWER IS DISCUSSED BELOW :

Q: Complete the electron configuration for Te. electron configuration: [Kr] [Kr]4d105s 5p

A: Electronic configuration : It is the arrangement of electrons of the element in its atomic orbital .

Q: Rank the following atoms in order of decreasing first ionization energies (i.e., highest to lowest):…

A: Atom The atom is the very fundamental unit of matter which exists in the universe. The atom is made…

Q: Write the complete ground-state electron configuration of aluminum

A: Interpretation-  To determine the complete ground state electronic configuration of aluminum -…

Q: 21. Why do elements that have high ionization energies also have more positive electron affinities?…

A: Ionization energy is the minimum energy required to take out a valence electron(s) from an atom in…

Q: An ion with charge 2+ has the following orbital diagram. Name the ion and state its electronic…

A: To find identify the ion from the orbital diagram, first, calculate the total number of electrons…

Q: the energy required to remove electrons from elemental cesium is 376 kJ/mol what is the threshold…

A: Energy required to remove electrons from elemental cesium =  376 kJ/mol

Q: What is likely the cause of the radius measured being half the radius?

A: The distance from the nucleus to the farther most point where the electron density can be located in…

Q: The atomic number of an element is 73. Is this element diamagnetic or paramagnetic?

A: Whenever two electrons are paired together in an orbital, or their total spin is 0, they are…

Q: The electron affinity of sodium is lower than that of lithium, while the electron affinity of…

A: The tendency to accept an electron in the gaseous state to form an anion in the gaseous state is…

Q: The electron affinity of sodium is lower than that of lithium, while the electron affinity of…

A: The amount of energy required to gain an electron is called electron affinity. This is calculated in…

Q: The first ionization energy of lead is E, = 715.4 kJ/mol. What is the longest wavelength of light…

A: Given : First ionization energy of lead = 715.4 KJ/mol = 715400 J/mol Since number of atoms of Pb in…

Q: Is there any change in the radius of the atom when it transforms into an ion?

A: Please find your solution below : Whenever an atom transforms into an ion, the radius of atom…

Q: Predict the atomic number of the next alkali metal after francium and give its ground-state electron…

A: Atomic number is number of electrons (protons) in an atom. The atomic number of francium is 87 and…

Q: The complete photoelectron spectrum for an element is shown above. Which of the following…

A: photo electron spectroscopy  is technique used to measure the the relative energy of electron…

Q: what are the factors affecting the value of ionisation energy?

A:

Q: A certain element has an 5s24d105p4 electron configuration. Which element it is?

A: Electron configuration of an atom or a molecule gives the information about the distribution of…

Q: What wavelength nm of light is required to ionize one lithium atom assuming the energy required is…

A: The question is based on the concept of ionization energy. it is  defined as the amount of energy…

Q: Type the full electron configuration for Ca: Use the following style to report 1s-2s 2p:

A: “since you have asked multiple subparts question, only one initial subpart will be answered”…

Q: How do the periodic trends in metallic character compare to those forionization energy?

A: solution- periodic trends in metallic character compare to those for ionization energy is , Metal…

Q: Give the number of core electrons in a copper atom. A) 1 B) 27 C) 29 D) 18 E) 28

A: Core electrons are the electrons in an atom that are not valence electrons and do not participate in…

Q: A certain element has an 5s24d105p2 electron configuration. Which element it is?

A: Electron configuration of an atom or a molecule gives the information about the distribution of…

Q: In terms of electron configuration and shielding, why is the atomic radius of sodium smaller than…

A: The distance from the nucleus to the outermost shell of atom is known as atomic radius.

Q: The outermost valence electron in atom A experiences an effective nuclear charge of 2+ and is on…

A: The effective nuclear charge and average distance from the nucleus is +2 and 225 pm of atom A and…

Q: Why does atomic size decrease across a period?

A: Given, Atomic size decrease across a period