Examine Figure 3.8 (attached below). Explain, using 1-3 complete sentences, what

Question

1. Examine Figure 3.8 (attached below). Explain, using 1-3 complete sentences, what causes the colorful lines in these emission spectra.

2. What is an atomic orbital? How does an atomic orbital differ from an orbit?
Copyright&McGraw-Hill; Education Copyright O McGraw-Hill Education. Permission required for reproduction or display Bright-line Spectra Lithium (Li) Sodium (Na) Potassium (K) Calcium (Ca) Strontium (Sr) Barium (Ba) Hydrogen (H) Helium (He) Neon (Ne) Argon (Ar) Alkali metals Alkaline earth metals Gases Courtesy of Sargent-Welch

Explanation / Answer

1) The colorful lines in the emission spectrum is caused due to an atom making an transition from higher energy state to a lower energy state, if the difference between the two energy states resulted in the wavelength in visible light, then depending upon the value of wavelength, there will be a bright lines shown in the emission spectrum

2) An atomic orbital is a complex mathematical function that defines the properties and describes the wave like behavior of either one electron (H) or for multi electron system.

The orbit is the fixed circular or spherical path traced by an electron around the atom whereas an orbital is defined in 3D, where probability of finding an electron is highest

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