electron pair geometry = trigonal planar, molecular geometry is angular
1. (D)
2. (A)
3. (C)
4. (A)
5. (A)
6. (D)
7. (B)
8. (D)
9. (D)
10. (C)
11. (A)
12. (C)
13. (B)
14. (D)
15. (B)
16. (A)
17. (D)
18. (C)
19. (A)
20. (C)
1. (A) inside, outside (B) density, floatation method (C) tempered, flat
2. (A) False (B) True (C)
3. protons = 50, electrons = 50, neutrons =69
4. (1) C or D (2) B (3) A
5. (A) Al2O3 (B) iron(III) chloride (C) phosphorus trifluoride
6. (A) lens closest to O or object (B) lens closest to eye (C) I2 (D) O (E) 10x*10x = 100x
1. (A) right hole first, center hole second, left hole third (B) Impact was on the top side
2. (A) comparison microscope (B) stereomicroscope or scanning electron microscope (C) microspectrophotometr
3. (A) No (B) Yes
4. (A) See p. 225 of the Girard text, "Back to the Lab"
5. (A) gases (B) homogenenous mixture (C) elements
6. electron pair geometry = trigonal planar, molecular geometry is angular
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