1、 2016 9 1 200 120 10 4 36 2 3 2B 4 C-12 N-14 O-16 Na-23 S-32 Cl-35.5 K-39 Ca-40 Fe-56 Cu-64 Zn-65 I-127 5 g 10 ( 15 4 6 0 ) 1 2 A B C D 3 A B 120 C -150 D 4 A B AB BC C D 5 A 15V B 15V C 3V 15V D 3V 6 A A B C D 7 A. Y a B. Y C C. Y b D. Y c 8 ( ) A 1 2 : B C D 9 R 2 =2R 1 a U 0 b A 0.5U 0B 0.5U 0C 0
2、.5U 0 U 0D U 010 A A 4cm B 8cm A B A C B A D 11 A B C D 12 A B C D 13 p p F F A p p F =F C p =p F F 14 A B C D 15 B A B B 2N F 1 1N A B 0.6m/s F 2 B A 0.3m/s A B 6N B F 2 10N C F 2 1.2W D F 1 0.4W 9 20 2 40 : 16 2016 5 9 19 12 2 42 17 - 1 2 18 _ _ A. B. C. D. :Z*xx*k.Com 19 ABCDEF abcde 1 2 E d 3 a
3、20 20 g g g 来源:Z_xx_k.Com 10 2 12 10 3 13 10 4 13.6 10 5 m (1) m= _ (2) 4 _ (3)20 100 36 5 21 L 1 F 1 F 1 L 1 L 1 0.1m F 1 N 22 s-t 23 AlN NaOH AlN+NaOH+H 2 O=NaAlO 2 +NH 3 1 a. AlN b. NaOH c. d. 2 24 ab( ) ( ) (1) P ab ( ) (2) P S ab (3) A. B. C. D. ( 5 15 3 45 ) 25 A 10mL B 10mL 0.1mL 28 24 1 0 6 /mL) 1 2 3 4 5 6 7 8 A 0.8 5.2 5.6 4.8 2.0 0.8 0.4 0.08 B 0.8 0.4 0.1 0 0 0 0 0 1 A 2 3 A B 3 26 1 A B C D 3 2 3 27 _ _ _ 28 1 2 A D 29 3V 1 2 3 1.5V 1.5V 1.5V ( 7 30 33 6 31 34 35 8 36 9 32 10 55 ) 30 100 500 (1) _ (2) _ 31 14 mg FeSO 4 7H 2 O mg FeSO 4 7H 2 O
