تفاعل الصوديوم مع الماء

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00:29

00:21

1:07

00:18

2:36

28:25

2:02

4:15

00:41

00:45

2:12

00:48

11:02

3:56

1:12

00:59

1:38

1:03

00:26

00:57

1:01

00:44

11:22

00:54

00:16

00:39

2:49

1:54

00:33

1:46

2:54

2:34

2:28

00:56

31:33

00:31

11:54

3:47

8:51

8:45

00:29

6:41

8:48

2:37

6:00

2:13

00:25

00:11

00:32

00:41

00:18

00:27

00:20

00:22

00:21

00:53

00:48

00:44

00:19