The first ionization energy of sodium is 496 kJ/mol. Use Coulomb’s law to estimate the average distance between the sodium nucleus and the 3s electron. How does this distance compare to the atomic radius of sodium? Explain the difference.

Q: Arrange the elements in order of increasing ionization energy: Te, Pb, Cl, S, Sn.

A: ANSWER IS DISCUSSED BELOW :

Q: Explain the sudden jump in ionization energy for the elements in period 3 and why that jump occurs…

A: The elements in third period are: Na, Mg, Al, Si, P, S, Cl, and Ar.

Q: atom of which of the following elements has the largest ionization energy? Sb As Ві P N

A: Ionization enthalpy of 15th group elements. Nitrogen has high ionization enthalpy. N = 1402 ,P=…

Q: Describe the format of the periodic table and the general location and characteristics of metals,…

A: The table where all the elements are arranged in the horizontal rows called periods and vertical…

Q: Arrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group…

A: Arrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group…

Q: Write the electron configuration of the following elements.a. the group 2 element in the fourth…

A: Electronic configuration - The symbolic representation of arrangement of electrons in its orbitals…

Q: Use Coulomb’s law to calculate the ionization energy in kJ>mol of an atom composed of a proton…

A: In order to calculate the ionization energy we first write down the given data: Distance of…

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: Write the electron configuration for barium.

A: Electronic configuration....

Q: The ionic radii of K+, Cl−, and S2− are 138, 181, and 184 pm, respectively. Which of the following…

A: Ionic radii of K+ = 138 pm Ionic radii of Cl- = 181 pm Ionic radii of S2- = 184 pm

Q: Which statement is true about ionization energy? a) It is the amount of energy required or released…

A: The energy is released to add the electron to the neural atom to make negative charged species is…

Q: 7.100 Why do noble gases have negative electron affinity values?

A: To find:  Why do noble gases have negative electron affinity values

Q: Consider Si, S, and P. 1) Based purely on ideas of electron screening and effective nuclear charge,…

A: Ionization energy is the energy required to remove an electron from the outermost shell of a neutral…

Q: A space probe identifies a new element in a sample collected from an asteroid. Successive ionization…

A:

Q: What is electron affinity? What are the observed periodic trends in electron affinity?

A: Electron affinity is the energy that released when a neutral gaseous atom captures an electron. The…

Q: Examination of the first few successive ionization energies for a given element usually reveals a…

A:

Q: In each pair, choose the atom or ion which has the appropriate property based on its position in the…

A: Ionization energy is the energy required to remove most loosely bound electron from an isolated…

Q: What are the isoelectronic series for Se^2-

A: We know that, Se belong to oxygen family having atomic number 34  Then,

Q: Which of the following species would be isoelectronic with Krypton? a) Ca2+ b) Se2- c) Xe d) Sr2+

A: Isoelectronic species---> the species which have the same number of electrons, but a different…

Q: Use the concepts of effective nuclear charge, shielding, and n value of the valence orbital to…

A: Atomic radius depends on the distance between a valence electron and nucleus of an atom. If the…

Q: exceptions to the periodic trends in ionization energy?

A: Normal trend ; Ionisation energy increases down the group ,due to increases in atomic size and…

Q: Would you expect the ionization energies for two isotopes of the same element to be the same or…

A: Ionization energy is the minimum amount of energy required to remove an electron from the valence…

Q: Write the full electron configuration of manganese.

A: Using Rules of electronic configuration we can find electronic configuration , the atomic number for…

Q: Kr: 1s2. Krypton is found in period 4 of the periodic table. Explain how the electron configuration…

A: Elemental symbol of krypton is Kr  Atomic number of Kr is 36

Q: Use the concepts of effective nuclear charge, shielding, and n value of the valence orbital to…

A: Atomic radius depends on the distance between a valence electron and nucleus of an atom. If the…

Q: Which or which of the following statements in the periodic table are false? L ionization energy…

A: According to the question, we need to identify which of the up-given statement is false.   Statement…

Q: why does the change for the atomic radii of the elements in period 3 from sodium to argon look…

A:

Q: What is the difference between ionic radius and atomic size?

A: An atom is a neutral species while an ion is a charged species. An ion can be positively or…

Q: Consider starting with a fluorine atom with 9 electrons. If it were possible to remove one proton…

A: The addition of electron or removal of proton will change the atom radius because of change in…

Q: Draw and fill in an orbital diagram for the following elements. (boxes and arrows) ONLY complete a…

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…

Q: Help Please!  Write the complete eletron configuration for  Iodine  Xenon  Barium  Gold…

A: Electronic configuration  The electron configuration of an element describes how electrons are…

Q: Explain Electron Spin and the Pauli Exclusion Principle?

A: A quantum property of electrons is known as electron spin. A form of angular moment is electron…

Q: What are the basic features of the periodic table?

A: A table in which the elements are arranged in the increasing order of their atomic number is termed…

Q: Arrange the following atoms in order of increasing ionization energy. F, N, Be, and Mg < < <

A: The amount of energy required to remove an electron from the valence shell of an atom to convert it…

Q: A space probe identifies a new element in a sample collected from an asteroid. Successive ionization…

A: Ionization energy: The amount of energy required to remove an electron from its outer most valence…

Q: ionization energies of group 1A(1) elements

A:

Q: Explain why vanadium (radius = 134 pm) and copper (radius = 128 pm) have nearly identical atomic…

A: The electronic configuration of Vanadium = [Ar] 3d3 4s2 And of Copper = [Ar]3d104s1. On moving from…

Q: For each of the following pairs of elements (C and N) and (Ar and Br), pick the atom in the pair…

A: (i) Exothermic electron affinity - N, Br (ii) Higher Ionization Energy - N, Ar (iii) Larger atomic…

Q: According to Coulomb’s law, which pair of charged particles has the lowest potential energy?a. a…

A:

Q: Which of these isoelectronic species has the smallest radius? Select one: a. Rb 2- b. Se C. all have…

A: The question is based on the concept of periodic properties. We have to identify which of the given…

Q: Which outer electron configuration would you expect to correspond to a noble gas? To a metalloid?a.…

A: The noble gases are those gases which are inert. They do not react with the other elements…

Q: Describe the Coulomb’s Law and Effective Nuclear Charge?

A: Coulomb's law of electrostatic states that,

Q: What is the maximum number of electrons in an n = 2 shell?

A: Orbital:Orbital, a mathematical expression, called a wave function, an orbital is used to find the…

Q: Arrange th

A: The minimum amount of energy required to remove an electron from outer most shell of an isolated…

Q: What is the electron affinity of an atom? Which groups on the periodic table have high electron…

A: To define : Electron affinity of an atom.

Q: A space probe identifies a new element in a sample collected from an asteroid. Successive ionization…

A: The pattern of ionization enthalpy in a gathering is reliant upon the valency of the components…

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: What does the magnetic quantum number, ml, describe?        (a)  the orientation in space of the…

A: Four quantum numbers are: 1. Principal quantum number (n): It identifies the shell of the electron.…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.