Sabtu, 27 September 2008

REMIDI IKATAN ION

1. Tentukan ikatan ion yang terbentuk dari :
a. 13 Al + 16 S
b. 11 Na + 8 O
c. 20 Ca + 17 Cl
Diposting oleh di
Label:

41 komentar:

Aldy mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2



Nama:Aldy Gunawan
Kls :X-2

29 September 2008 pukul 15.13
Steven mengatakan...

1.13Al+16S->
13Al=2,8,3->13Al->13Al3++3e
16S=2,8,6->16S+2e->16S2-

Al->Al3++3e|x2|2Al->2Al3++6e
S+2e->S2-|x3|3S+6e->3S2-
----------------------------
2Al+3S->2Al3++3S2-

=Al2S3


2.11Na+8O->
11Na=2,8,1->11Na->11Na1++1e
8O=2,6->8O+2e->8O2-

Na->Na1++1e|x2|2Na->2Na1++2e
O+2e->O2-|x1|O+2e->8O2-
-----------------------------
2Na+O->2Na1++O2-

=Na2O


3.20Ca+17Cl->
20Ca=2,8,8,2->20Ca->20Ca2++2e
17Cl=2,8,7->17Cl+1e->17Cl1-

Ca->Ca2++2e|x1|Ca->Ca2++2e
Cl+1e->Cl1-|x2|2Cl+2e->2Cl2-
-----------------------------
Ca+2Cl->Ca2++Cl1-


=CaCl2





Nama:Steven Saptadjaja
Kelas:X-2

4 Oktober 2008 pukul 11.55
Laurensius mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl ->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2



Nama:Laurensius Abraham .K
Kls :X-2

5 Oktober 2008 pukul 17.13
Darrell Amadeo mengatakan...
Komentar ini telah dihapus oleh pengarang.
10 Oktober 2008 pukul 21.15
Vincent Cahyadi X-Thelu mengatakan...

1. 13 AL + 16 S =
13 AL = 2 , 8, 3 > 13 AL- > 13 AL3++3e
16 S = 2 , 8 ,6 >16 S+2e-16S2-

AL >AL3++3e [x2] 2Al>2AL3++6e
S+2e > S2- [x3] 3S+6e>3S2

2AL+3S>2AL3++3S2-
= AL2S3

2. 11Na + 8O
11Na = 2,8,1 >11Na>11Na1+ +1e
8 O = 2,6>8O+2e>8O2-
> Na- Na+ +e [x2] 2Na-2Na+ +2e
> O+2e - O2- [X1] O+2e-O2-


2Na+O>2Na1++O2-

=Na20


3. 20 Ca + 17 CL
20Ca = 2,8,8,2>20Ca>20Ca2++e
17Cl =2,8,7>17Cl+1e>2Cl1-

Cl>Ca>Ca2+ +2e [x1] Ca > Ca2+ +e
Cl+ e > Cl- [x2] 2 Cl+2e>2Cl-

Ca+2Cl>Ca2+ +Cl-

=CaCl2

Nama = Vincent Cahyadi
No = 39
Kelas = [X]-T[I]Ga

10 Oktober 2008 pukul 21.21
Jonathan K 24/x-3 mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
---------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
Ca+2Cl->Ca2+ +Cl-
-----------------
=CaCl2

Jonathan kristian 24/x-3

11 Oktober 2008 pukul 10.17
Kelvin leonardo x-3/25 mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl ->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2

Kelvin Leonardo x-3/25

11 Oktober 2008 pukul 10.24
Dicky J 12/x-3 mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2

Dicky J 12/x-3

11 Oktober 2008 pukul 10.35
Delly mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl ->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2

Nama:Delly dewantara
kls:X-2
no:12

11 Oktober 2008 pukul 10.56
henry j mengatakan...

1.13 Al+ 16 S ->Al - Al 3+ +3e(x2)
*S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
---------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
*O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
*Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
Ca+2Cl->Ca2+ +Cl-
-----------------
=CaCl2
NAME: HENRY JONATHAN P
N:19
KLZ:X3

11 Oktober 2008 pukul 13.23
Yovita mengatakan...

1.13 Al+ 16 S ->Al - Al 3+ +3e(x2)
= S+2e - s 2- (x3)
= 2Al-Al 3+ + 6e
= 3S + 6e - 3S2-
---------------
2.Al+3S->AL 3+ +S 2-

= Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
= O+2e - O2- (x1)
= 2Na-2Na+ +2e
= O+2e-O2-
----------------
2Na+O->Na+ +O2-

= Na2O

3. 20 Ca+ 17 Cl ->Ca->Ca2+ +2e(x1)
= Cl+e->Cl- (x2)
= Ca->Ca2+ + 2e
= 2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

= CaCl2

Nama : Yovita Liana Dewi
Kelas : x-3/42

11 Oktober 2008 pukul 15.25
denica mengatakan...

denica mengatakan...

1.13Al+16S->
13Al=2,8,3->13Al->13Al3++3e
16S=2,8,6->16S+2e->16S2-

Al->Al3++3e|x2|2Al->2Al3++6e
S+2e->S2-|x3|3S+6e->3S2-
----------------------------
2Al+3S->2Al3++3S2-

=Al2S3


2.11Na+8 O->
11Na=2,8,1->11Na->11Na1++1e
8 O=2,6->8O+2e->8O2-

Na->Na1++1e|x2|2Na->2Na1++2e
O+2e->O2-|x1|O+2e->8 O2-
-----------------------------
2Na+O->2Na1++O2-

=Na2O


3.20Ca+17Cl->
20Ca=2,8,8,2->20Ca->20Ca2++2e
17Cl=2,8,7->17Cl+1e->17Cl1-

Ca->Ca2++2e|x1|Ca->Ca2++2e
Cl+1e->Cl1-|x2|2Cl+2e->2Cl2-
-----------------------------
Ca+2Cl->Ca2++Cl1-


=CaCl2
denica adrian
x-4/15

11 Oktober 2008 pukul 16.01
Unknown mengatakan...

1.13Al+16 S

13 Al=2,8,3 Al->Al +3e
16 S=2,8,6 S +2e->S2-
--------------
Al+S=Al3+ + S2-
= Al2S3

2.11Na+8 0

11Na=2,8,1 Na->Na+ +e
8 O =2,6 O +2e->O2-
-------------
Na+O=Na+ +O2-
=Na2O

3.20Ca+17Cl

20Ca=2,8,8,2 Ca2+ ->Ca +2e
17Cl=2,8,7 Cl+e ->Cl-
--------------
Ca2+ + Cl-
=CaCl2

Nama:Angela yesie .D.
Kelas/no:X-4/3

12 Oktober 2008 pukul 11.48
nico mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2







nicolaus christono l.
x-3 / 35

12 Oktober 2008 pukul 20.36
nico mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2






nicolaus christono l

x-3 /35

12 Oktober 2008 pukul 20.37
nico mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2




nicolaus christono l

x-3 / 35

12 Oktober 2008 pukul 20.43
adichandraW mengatakan...

adi chandra wijaya x-1/1

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2

13 Oktober 2008 pukul 15.39
Sandjojo mengatakan...
Komentar ini telah dihapus oleh pengarang.
13 Oktober 2008 pukul 19.04
Sandjojo mengatakan...

1
a)13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
___________________
2Al+3S->AL 3+ +S 2-

=Al2S3

b)11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
_______________
2Na+O->Na+ +O2-

=Na2O

c)20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
_________________
Ca+2Cl->Ca2+ +Cl-

=CaCl2

13 Oktober 2008 pukul 19.16
Aditya C X-1/2 mengatakan...

1.)13 Al+16S->Al -Al3+ +3e(x2)
->S+2e-s 2-(x3)
=2Al-Al3+ +3S2-
-----------------
2Al+3S->Al 3+ +S 2-
=Al2S3

2.)11 Na+8 O->Na-Na+ +e(x2)
->O+2e-O2-(x1)
=2Na-2Na+ +2e
=O+2e-O2-
-----------------
2Na+O->Na+ +O2-
=Na2O

3.)20 Ca+17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl-(x2)
=Ca->Ca2+ +2e
=2Cl+2e->2Cl-
-----------------
Ca+2Cl->Ca2+ +Cl-
=CaCl2

13 Oktober 2008 pukul 19.41
adichandraW mengatakan...

1.13Al+16S->
13Al=2,8,3->13Al->13Al3++3e
16S=2,8,6->16S+2e->16S2-

Al->Al3++3e|x2|2Al->2Al3++6e
S+2e->S2-|x3|3S+6e->3S2-
----------------------------
2Al+3S->2Al3++3S2-

=Al2S3

14 Oktober 2008 pukul 17.46
adichandraW mengatakan...

1. 13 Al+ 16 S ->Al - Al 3++3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2.) 11 Na+8 O->Na-Na+ +e(x2)
->O+2e-O2-(x1)
=2Na-2Na+ +2e
=O+2e-O2-
-----------------
2Na+O->Na+ +O2-
=Na2O

3. 20 Ca+ 17 Cl ->Ca->Ca2++2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2

nama: Adi Chandra Wijaya
kelas/no: x-1/1

14 Oktober 2008 pukul 18.03
bora mengatakan...
Komentar ini telah dihapus oleh pengarang.
14 Oktober 2008 pukul 19.45
bora mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl ->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2

Nama : Labora Sesarea Rosalin
Kelas: x_4/20

14 Oktober 2008 pukul 19.47
Ian.B mengatakan...

1.13Al+16S->
13Al=2,8,3->13Al->13Al3++3e
16S =2,8,6->16S+2e->16S2-

Al->Al3++3e|x2|2Al->2Al3++6e
S+2e->S2- |x3|3S+6e->3S2-
__________________________________
2Al+3S->2Al3++3S2-

=Al2S3


2.11Na+8O->
11Na=2,8,1->11Na->11Na1++1e
8O =2,6 ->8O+2e->8O2-

Na->Na1++1e|x2|2Na->2Na1++2e
O+2e->O2- |x1|O+2e->8O2-
______________________________
2Na+O->2Na1++O2-

=Na2O


3.20Ca+17Cl->
20Ca=2,8,8,2->20Ca->20Ca2++2e
17Cl=2,8,7 ->17Cl+1e->17Cl1-

Ca->Ca2++2e|x1|Ca->Ca2++2e
Cl+1e->Cl1-|x2|2Cl+2e->2Cl2-
______________________________
Ca+2Cl->Ca2++Cl1-


=CaCl2





Nama:Ian Bintoro
Kelas:X-4

15 Oktober 2008 pukul 16.02
A.bosca mengatakan...

.13 Al+ 16 S ->Al - Al 3+ +3e(x2)
= S+2e - s 2- (x3)
= 2Al-Al 3+ + 6e
= 3S + 6e - 3S2-
---------------
2.Al+3S->AL 3+ +S 2-

= Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
= O+2e - O2- (x1)
= 2Na-2Na+ +2e
= O+2e-O2-
----------------
2Na+O->Na+ +O2-

= Na2O

3. 20 Ca+ 17 Cl ->Ca->Ca2+ +2e(x1)
= Cl+e->Cl- (x2)
= Ca->Ca2+ + 2e
= 2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

= CaCl2
Nama:Antoni bosca
No/Kelas:4/X-4

15 Oktober 2008 pukul 16.32
aryo mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2

leonardo aryo
x-4/21

15 Oktober 2008 pukul 17.33
markus mengatakan...

1.13Al+16 S

13 Al=2,8,3 Al->Al +3e
16 S=2,8,6 S +2e->S2-
--------------
Al+S=Al3+ + S2-
= Al2S3

2.11Na+8 0

11Na=2,8,1 Na->Na+ +e
8 O =2,6 O +2e->O2-
-------------
Na+O=Na+ +O2-
=Na2O

3.20Ca+17Cl

20Ca=2,8,8,2 Ca2+ ->Ca +2e
17Cl=2,8,7 Cl+e ->Cl-
--------------
Ca2+ + Cl-
=CaCl2

Nama Markus x-4/23

15 Oktober 2008 pukul 18.12
Yogi P. mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2.11Na+8O->
11Na=2,8,1->11Na->11Na1++1e
8O=2,6->8O+2e->8O2-

Na->Na1++1e|x2|2Na->2Na1++2e
O+2e->O2-|x1|O+2e->8O2-
-----------------------------
2Na+O->2Na1++O2-

=Na2O

3. 20 Ca+ 17 Cl ->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2


Yogi Pranata X-4 / 41

16 Oktober 2008 pukul 18.26
David mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2.11Na+8O->
11Na=2,8,1->11Na->11Na1++1e
8O=2,6->8O+2e->8O2-

Na->Na1++1e|x2|2Na->2Na1++2e
O+2e->O2-|x1|O+2e->8O2-
-----------------------------
2Na+O->2Na1++O2-

=Na2O

3. 20 Ca+ 17 Cl ->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2


Nama : David Kristanto
Kls : X-4
No : 7

16 Oktober 2008 pukul 18.30
Anonim mengatakan...

1)13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
___________________
2Al+3S->AL 3+ +S 2-

=Al2S3

2)11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
_______________
2Na+O->Na+ +O2-

=Na2O

3)20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
_________________
Ca+2Cl->Ca2+ +Cl-

=CaCl2


Nama: Steven Sutanto
Kelas: X-4

17 Oktober 2008 pukul 15.45
Kelvin Wijaya mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2


KELVIN WIJAYA / x-4 / 18

17 Oktober 2008 pukul 16.42
Vinc A. mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2

17 Oktober 2008 pukul 17.03
Vinc A. mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2


Nama :Vinc A.
Kelas:X-4
Nomor:37

nb:lupa nama

17 Oktober 2008 pukul 17.06
steffanus mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2


steffanus a.
x_phapat / 33

18 Oktober 2008 pukul 11.37
steffanus mengatakan...
Komentar ini telah dihapus oleh pengarang.
18 Oktober 2008 pukul 11.40
vbee mengatakan...

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl ->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2

feby
x_phapat/ 10

18 Oktober 2008 pukul 11.56
yelsi kristafel mengatakan...

1> 12Al + 16S -> Al-Al 3+ +3e (x2)
-> S+2e - S 2- (x3)
= 2Al-Al 3+ +6e
= 3S + 6e - 3S2-
_______________ +
2Al + 3S -> Al 3+ + S2-
= Al2S3

2> 11Na + 8O -> Na-Na+ +e (x2)
-> O+2e - O2-(x1)
= 2Na-2Na+ +2e
= O+2e-O2-
_______________ +
2Na+O -> Na+ +O2-
= Na2O

3> 20Ca + 17Cl -> Ca->Ca2+ +2e (x1)
-> Cl+e->Cl- (x2)
= Ca->Ca2+ +2e
= 2Cl+2e->2Cl-
______________ +
Ca+2Cl->Ca2+ +Cl-
= CaCl2

yelsi/40-x4
pak,ini q susulan lho..
bukan remidi...

23 Oktober 2008 pukul 13.15
Ezra mengatakan...

Ezra berkata :

1. 13 Al+ 16 S ->Al - Al 3+ +3e(x2)
->S+2e - s 2- (x3)
=2Al-Al 3+ + 6e
=3S + 6e - 3S2-
-----------------
2Al+3S->AL 3+ +S 2-

=Al2S3

2. 11 Na+ 8 O ->Na - Na+ +e (x2)
->O+2e - O2- (x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-

=Na2O

3. 20 Ca+ 17 Cl->Ca->Ca2+ +2e(x1)
->Cl+e->Cl- (x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-

=CaCl2

Ezra ardyanto
x-4/ 9

24 Oktober 2008 pukul 15.39
*Gabriella Nerina* mengatakan...

1. 13Al+16S: Al-Al3+ +3e(x2)
=S+2e-s2-(x3)
=2Al-Al3+ +6e
=3S+6e-3S2-
-----------------
2Al+3S->AL 3+ +S 2-
=Al2S3

2. 11Na+8O: Na-Na+ +e(x2)
=O+2e-O2-(x1)
=2Na-2Na+ +2e
=O+2e-O2-
----------------
2Na+O->Na+ +O2-
=Na2O

3. 20Ca+17Cl: Ca: Ca2+ +2e(x1)
=Cl+e: Cl-(x2)
=Ca->Ca2+ + 2e
=2Cl+2e->2Cl-
---------------
Ca+2Cl->Ca2+ +Cl-
=CaCl2

Nama: Gabriella Nerina (BIBI ^_^)
Kls/No: X-4/12

31 Oktober 2008 pukul 19.47
yenie mengatakan...
Komentar ini telah dihapus oleh pengarang.
25 Mei 2009 pukul 14.03

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