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Concept explainers
(a)
Interpretation: In the following table, indicate the number of protons, neutrons, and electrons for each isotope listed:
Isotope | Number of Protons | Number of Neutrons | Number of Electrons |
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Concept Introduction:
(b)
Interpretation: To writethe electron configuration and the abbreviated electron configuration of Si
Concept Introduction:The electron configuration is the distribution of electrons of an element in different orbits and orbitals.
(c)
Interpretation: To calculate the
Concept Introduction:
(d)
Interpretation: To write the balanced
Concept Introduction:A positron is a positively charged electron wherein the new element formed has the same mass number as the parent element but has -1 decreased atomic number.
Beta decay is the loss of an electron wherein the new element formed has the same mass number as the parent element but has +1 increased atomic number.
(e)
Interpretation: Todraw the Lewis structure and predict the shape of SiCl4
Concept Introduction:Lewis structure shows the covalent bonds between atoms in a molecule. It also shows the lone pair of electrons on the element in the compound.
(f)
Interpretation: To find how many hours are needed for a sample of Si-31 with an activity of 16µCi to decay to 2.0µ Ci
Concept Introduction:Radioactive decay equation:
where No is the initial activity, N(t) is the activity at time t, and t1/2is the half life of the radioactive substance.
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Chapter 16 Solutions
Pearson eText Basic Chemistry -- Instant Access (Pearson+)
- 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_forwardWrite the abbreviated electron configuration and group numberfor each of the following elements: (5.4)a. Zn b. I c. V d. Srarrow_forward4.82 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_forward
- 5.96 a. Si b. Se c. Mn d. Sb Write the abbreviated electron configuration and group number for each of the following elements: (5.4) a. Br b. Rh c. Tc d. Raarrow_forwardWrite the group number and draw the Lewis symbol for eachof the following elements: (5.6)a. barium b. fluorine c. krypton d. arsenicarrow_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_forward
- Give 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_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(2.6) How many protons and electrons does phosphide ion (P3-) contains in its structure? protons [Choose ] electrons [Choose ] 4 Previous >arrow_forward
- TITIT Part 1: Valence electrons. How many valence electrons does each atom of the given element have in the ground state? Type only the number into the box. Values are 1 to 8. 1. 2. 3. 4. 5. UZAZI Å ✓ C N Br Ne He 6. B 7. 8. K 9. As 10. Se CHEMISTRY Ions and Atoms Be 11. 12. Sr 13. Mg 14. 15. Br 16. N 17. Cl UN 18. AI 19. Ge 20. Snarrow_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(9.3, 9.4)Identify the element with the ground state electron configuration of [Ar]4s23d¹04p³. O antimony iron tin arsenicarrow_forward
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