i need the answers for 15,16,17,18,19, and 21. (no figure for these questions) the figure only for 14 and i already got it. THANK YOU.
14. Which of the following fiureo) represent a result having high precision? a) Figure 1 only b) Figure II only Figure III only d) Figure 1 and Figure II ) Figure Il and Figure III 15. Express the number 2.38 10 in common decimal form a) 238000 b) 0.0000238 c) 0.000238 d) 23800 e) 2380 16. A line in he spetrum of stomic mercury has a wavelengh of 258 nm. When mercury enits a photon of light at this wavelength, the frequency of this light is a) b) c) d) 77.3s e) 8.61Ã10-16s" 7.70 Ã 10-14" 1.16 Ã 10",-I none of these What is the energy of a photon of violet light that has a wavelength of 425 nm? ) 4.25 x 10 J b) 4.67 x 10-19 17. c) 7.05 Ã 10 d) 8.44 10-31 J e) Which of the following best describes an orbital? a) space where electrons are unlikely to be found in an atom 2.14 Ã 1018 J 18. space which may contain electrons, protons, and/or neutrons c) the space in an atom where an electron is most likely to be found d small, walled spheres that contain electrons e) a single space within an atom that contains all electrons of that atom 19. Express 165,000 in exponential notation a) 1.65000 Ã 105 b) 1.65 Ã 105 c) 1.6500 Ã 10-5 d) 1.65 x 10- e 165 x 10 How many forbitals have the value n -27 6) o a) 0 c) 5 20. e) I 21. How many d orbitals have n-4 b) 5 c) 10 e) 18
