Interpretation: The common in terms of the electronic configuration of elements O, S and Se should be identified. The location of these elements in the periodic table should be determined.
Concept introduction: The rules for the allowed quantum numbers combinations are as follows:
- All the three quantum numbers ( n, l and m ) describes the orbital of an atom and they are integers.
- The principal quantum number, n value cannot be zero. Thus, the values allowed for the principal quantum number are 1, 2, 3, 4, and so on.
- The value of angular quantum number, l can be between 0 to n-1. Thus, if value of n is equal to 3 the value of l can be 0, 1 or 2.
- The value of magnetic quantum number, m can be between − l to +l . Thus, if value of l is equal to 2, m can be wither -2, -1, 0, +1, or +2
For same number of principal quantum number, an orbital form a shell. The first character denotes the shell and the second identifies the sub-shell.
Here, for s orbital value of
The relative energy of orbitals is represented as follows:
A s orbital can have maximum of 2 electrons, p orbital can have maximum of 6 electrons. Similarly, maximum electrons that a d and f orbital can have are 10 and 14 respectively.
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EP BASIC CHEMISTRY-STANDALONE ACCESS
- Consider three elements with the following abbreviatedelectron configurations: (5.4, 5.5, 5.6)X = [Ar]4s23d5 Y = [Ar]4s23d104p1 Z = [Ar]4s23d104p6a. Identify each element as a metal, nonmetal, or metalloid.b. Which element has the smallest atomic size?c. Which element has the highest ionization energy?d. Which element has a half-filled sublevel?arrow_forward4.94 Indicate if each of the following statements is true or false: (4.3) a. The neutron has no net charges. b. Most of the mass of an atom is due to the protons and electrons. c. The total charge of the electrons is equal, but opposite, to the charge of the nucleus. d. The proton and the electron have about the same mass. e. The mass number is the number of protons. 4.10arrow_forwardGive the symbol of the element that has the (5.6)a. largest atomic size in Period 5b. largest atomic size in Group 2A (2)c. highest ionization energy in Group 8A (18)d. lowest ionization energy in Period 2e. abbreviated electron configuration [Kr]5s24d105p2.arrow_forward
- 4.82 For each of the following, write the symbol and name for X and the number of protons and neutrons. Which are isotopes of each other? (4.4, 4.5) a. 124x A 47 b. 16x 116x 49 C. 50 d. 124x 50 116X e. 48arrow_forwardThe most prevalent isotope of gold is Au-197. (4.5)a. How many protons, neutrons, and electrons are in this isotope?b. What is the atomic symbol of another isotope of gold with 116 neutrons?c. What is the atomic symbol of an atom with an atomic number of 78 and 116 neutrons?arrow_forward4. If you were given an antique piece of jewelry and you were told that it was made of solid gold, how could you devise a test to indicate that it was actually made of gold? 6,7.5arrow_forward
- 28. Completely describe the orbitals found in the fourth energy level. How many electrons can be found in a full fourth energy level? Give an example of an element that has its valence electrons in the fourth energy level. (3.3) K/Uarrow_forwardDiscussion 6 - week 6 Electron Configuration, Periodic Trends (4.7, 4.8), and Nuclear Chemistry (5.1) Part 1: Electron Configurations and Orbital Diagrams of Atoms (4.7, 4.8) 1. Write the abbreviated (short-hand) electron configuration and draw the orbital diagrams for the following ground-state (lowest energy) neutral atoms: A. Sodium (Na) B. Sulfur (S) C. Krypton (Kr) D. Vanadium (V)arrow_forward4.121 Complete the following table: (4.3) Namere is ONE O tong of the Element bots he Magnesium Joghe amouse. The Atomic Symbolbo 80 Se 228 F 88 Ra Number of Protons 28 Number of Neutrons 34 14 Number of Electrons Avearrow_forward
- (8.2)Calculate the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49 x 1014 sec¹. O 3.64 x 10-19 J O 1.83 x 10-19 J O 5.46 x 10-19 J O 2.75 x 10-19 J O 4.68 × 10-19 Jarrow_forward(9.6) Which of the following is in the correct order of increasing atomic radius? O Cs > S > Si Cs > Si > S OS > Si > Cs O Si > S > Csarrow_forward11:11 ÔN A D Instructions - Classes - C... https://coetbschemfabon.neolm. Fill in the blanks: (4.1) Write the complete atomic/nuclide symbol for (a) an ion fluoride that contains 9 protons and 10 neutrons in the nucleus and 10 extranuclear electrons? (b) an ion of iron that contains 26 protons and 30 neutrons in the nucleus and 24 extranuclear electrons? Note: Use the "^" caret symbol to denote exponential components..for Ca¯“can be written as example, 20 "20^40Ca^-2" (atomic number written first). Answer: (a) mass number nuclide symbol (b) mass number nuclide symbol Continue > Status Dausearrow_forward
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