Reason why iron and sodium are different.

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How does the wave model of electrons orbiting the nucleus account for the fact that the electrons can only have discrete energy values? A. Electrons are only able to vibrate at particular frequencies. B. When an electron wave is confined, it is reinforced at only particular frequencies. C. The energy values of an electron only occur where its wave properties and probability clouds are mutually reinforcing. D. The wave model accounts for the types of orbitals an electron may occupy, not energy levels. E. None of the above

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Chapter 5, Problem 2QP

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Reason why iron and sodium are different.

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How does the wave model of electrons orbiting the nucleus account for the fact that the electrons can only have discrete energy values? A. Electrons are only able to vibrate at particular frequencies. B. When an electron wave is confined, it is reinforced at only particular frequencies. C. The energy values of an electron only occur where its wave properties and probability clouds are mutually reinforcing. D. The wave model accounts for the types of orbitals an electron may occupy, not energy levels. E. None of the above

10. What prevents gravity from pulling you through the ground to the center of Earth? Choose the best answer. A. The positive nuclei of your body's atoms repel the positive nuclei of the atoms of the ground. B. The density of the ground is greater than the density of your body. C. Atoms are bound together by chemical bonds. D. Electrons on the ground's surface and the surface of your feet repel one another.

6. The particles in the nucleus that have a positive charge are the b. neutrons a. electrons c. protons d. positrons 7. Elements that are not good conductors of heat or electricity are the b. non-metals a. metals c. metalloids d. solids 8. On the periodic table, the number of electrons is equal to- b. the atomic weight a. the mass number c. the atomic number d. the number of neutrons 9. Electrons are located in the a. Electron cloud b. cumulus cloud c. nucleus cloud d. fog 10. According to Dalton, these can not be created or destroyed. b. heat d. radioactivity a. Matter C. atoms 11. Group 2 on the Periodic Table is also known as the a. Halogens b. Noble Gases c. Alkali metals d. Alkaline earth metals 12. Elements on the right side of the Periodic Table are b. non-metals a. metals c. liquids d. solids 13. Elements from the Periodic Table that are malleable and ductile are called a. metalloids b. gases c. metals d. non-metals 14. Electrons that are located a. closest to the nucleus have…