11. Consider radio waves (r), visible light (v), infrared (i), X-rays (x), and ultraviolet (u). In o
12. An erect object is in front of a convex mirror a distance greater than the focal length. The ima
13. The major physics principle that supports endoscope is ______.(A) refraction of light (B) diffra
14. If we increase the wavelength of the light that falls on the metal in a photoelectric-effectexpe
15. For the particles listed below with the same kinetic energy, which has the shortest wavelength?(
16. In the given reaction coordinate diagram, how many intermediate(s) is/are presented? (A) 0 (B) 1
12. 鉻金屬的原子量為 52.0 g/mol，晶格為體心立方，其原子半徑為 1.25 Å，試計算其密度(g/cm3)。(√2 = 1.414、√3 = 1.732)(A) 2.76 (B) 3.59
18. A specific type of nucleus has a half-life of 40 min. How long is required for 80% of the nuclid
19. Which of the following ionic compounds has the largest lattice energy (i.e., the lattice energym
10. Choose the compound below that should have the highest melting point according to the ionic bond
21. Determine, respectively, the proper formulas for sodium tetrachloroaluminate(III) and sodiumtetr
22. What is the sum of all coefficients when the following equation is balanced?NH3(g) + O2(g) → NO2