Despite the expected decrease in atomic size, there is an un-expected drop in the first ionization energy between Groups2A(2) and 3A(13) in Periods 2 through 4. Explain this pattern interms of electron configurations and orbital energies.

Q: On the basis of periodic trends, choose the more metallic element from each pair (if possible).(a)…

A: The metallic character decreases across the period and increases down the group. a. The Ge and Sn…

Q: 22. Order the following isoelectronic species by increasing ionic radius: Cl¯, Ar, and P³-.

A: For isoelectronic species , more it accept electrons then more its size.

Q: Oxygen (8O) and argon (18A) are both gases. Oxygen combines readily with other elements, but argon…

A: Oxygen combines easily with other elements. But argon does not.

Q: List the General Characteristics of the Group 4A Elements?

A: Group 4A elements are: Elements Atomic number Electronic configuration Carbon 6 1s22s22p2…

Q: 2. Given their electron configurations, identify the following elements and specify in what group of…

A: 2) a) element is selenium(Se) which is in group 16 and peroid 4  B) Radium (Ra) group no 2 C)…

Q: If you focus on the second period of the periodic table, you see two exceptions to the general trend…

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

Q: Explain how the thermodynamics of ionic crystal formation can be used to determine electron…

A: We can here use Born-Haber cycle to calculate the electron affinity of a particular non-metal atom.…

Q: 7. Which of the following has the smallest ionic radius? (A) p3- (B) K1+ (C) Sc3+ (D) Ar

A:

Q: Write the full electron configuration of the Period 3 elementwith the following successive IEs (in…

A: Ionization energy is the energy required from removing valence electron from an atom, where the…

Q: Despite the expected decrease in atomic size, there is an unexpected drop in IE1 values between…

A: Ionization enthalpy, IE, is also called ionization potential is the ability to remove the electron…

Q: Consider the following equation:Ca+1g2 + e-¡Ca1g2Which of the following statements are true? (i) The…

A: Electron Affinity is defined as the energy released when an electron is added to the atom in the…

Q: Elemental sulfur is a yellow solid that consists of S8 molecules. The structure of the S8 molecule…

A: Hey, since you have posted sub-part question, we would answer only first three sub-part.  If your…

Q: Write equations that show the process for (a) the first twoionization energies of lead and (b) the…

A:

Q: The ionisation energy generally increases across a period. However, there are two exceptions to the…

A: Period 3 sees an uptick in ionization energy as the nuclear charge rises, but the shielding of the…

Q: The following trend for alkali metals is correct, except:    A)First ionization energy ; Li < Na < K…

A:

Q: All of the following statements concerning the characteristics of the halogens are true except…

A: Ionization energy is the amount of energy required to remove the outermost shell electron of an atom…

Q: The prefix eka- comes from the Sanskrit word for “one.”Mendeleev used this prefix to indicate that…

A: Eka-manganese was the name given to the element which is below manganese in the periodic table.

Q: Does the reaction of a main-group metal oxide in water pro-duce an acidic solution or a basic…

A: Main group elements are the elements of s and p block. The element which belongs to second period…

Q: The ionisation energy generally increases across a period. However, there are two exceptions to the…

A: The ionisation energy increases across a period because effective nuclear charge is increasing so…

Q: (ii) Lithium shows a diagonal relationship with magnesium, A) Why are these elements diagonally…

A: A.Following are the main reason of diagonal relationship shown by Li and Mg.

Q: Describe and explain each of the following atomic properties of the representative group of elements…

A: Atomic size is the distance between the nucleus of the atom and the valence shell containing…

Q: 11. Specify the group of the periodic table in which each of the following elements is found: (a)…

A: On the periodic table the elements are arranged based on electronic configuration and chemical…

Q: Write condensed electron configurations for the following atoms and ions, using appropriate…

A: Given :- symbol of anion = Te2-  To write :- its condensed electron configuration

Q: Arrange the following elements in order of atomic radius (from smallest to largest): Smallest atomic…

A: Solution: N, F, Ne - second-period elements. N, As, Bi - is 15 group of elements.  We know that On…

Q: Write the full electon configuration of the period 3 element with the following successive…

A: The period 3 element with the given ionization energies is aluminum (Al). The electron configuration…

Q: Write orbital diagram for V5+

A: The atomic number of V is 23  hence its ground state configuration is [Ar] 3d34s2 Hence V5+ means V…

Q: Based on their positions in the periodic table, predict whichatom of the following pairs will have…

A: Ionization enthalpy is the amount of energy required to remove the most loosely bounded electron…

Q: The alkali metal with an electron configuration of [Xe] 6s¹ is:

A:

Q: (a)&#160;Among the nonmetallic elements, the change in atomic radius in moving one place left or…

A: To get:   a) Explain the observations of  movement is automic radius. b)  Arrangement of atom in…