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第 5 节 寻找金属变化的规律 PowerPoint PPT Presentation


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第 5 节 寻找金属变化的规律. ( 第一课时 ). 一、哪些物质是金属. 你能举出一些你所知道的一些金属吗?. 元素周期表. 金属:由金属元素组成的单质. 在下列金属单质中用 红笔圈 出你知道名称的金属,用 蓝笔圈 出你用过其制品的金属。. 锂 Li 钠 Na 镁 Mg 铝 AI 钾 K 钙 Ca 钛 Ti 铬 Cr 锰 Mn 铁 Fe 镍 Ni 铜 Cu 锌 Zn 铯 Cs 钡 Ba 钨 W 钯 Pd 银 Ag 锡 Sn 镭 Ra 铱 Ir

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第 5 节 寻找金属变化的规律

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5

5

()


5


5


5

Li Na Mg AI K Ca Ti

Cr Mn Fe Ni Cu Zn Cs

Ba W Pd Ag Sn Ra Ir

Pt Au Hg Ti Pb Bi U


5


5


5


5


5


5


5


5

1

2


5

3

?


5

4


5

4


5

4

5


5

1

2

3


5

1

2

A

3

A B

C

D

C


5


5


5

2Cu+O2==2CuO

2Mg+O2 == 2MgO

1


5

2


5

2Cu+O2==2CuO

+===

2Mg+O2==2MgO

1

K Ca NaMg Al Zn Fe Sn Pb(H)Cu Hg AgPt Au

1K Ca Na

2Mg Al Zn Fe

3Cu

4Pt Au


5

MgAlFe

1

2


5


5

:

__________________________

2Al+6HCl ====2AlCl3+ 3H2


5


5

13

2___________________

Mg+2HCl=MgCl2+H2

Zn+2HCl=ZnCl2+H2


5

33

Mg+H2SO4=MgSO4+H2

Zn+H2SO4=ZnSO4+H2

4


5

?

MgZnHCu


5

+==+

Mg+2HCl=MgCl2+H2

Mg+H2SO4=MgSO4+H2

2

Zn+2HCl=ZnCl2+H2

Zn+H2SO4=ZnSO4+H2

CuH2SO4

CuHCl

K Ca Na Mg Al Zn Fe Sn Pb (H)Cu Hg Ag Pt Au

1

2


5

Mg + 2HCl = MgCl2 + H2

Zn + 2HCl = ZnCl2 + H2

Mg + H2SO4 = MgSO4 + H2

Zn + H2SO4 = ZnSO4 + H2

+

=

+

A+BC=B+AC


5


5

  • 3Fe + 2O2 ==== Fe304

  • 2Mg + O2 ==== 2MgO

  • 2KMnO4 ====K2MnO4 +MnO2 + O2

  • C +2CuO ====2Cu + CO2

  • 5 2Al +6HCl ====2AlCl3 + 3H2


5


5

1

A B C D

C

2.( )

AHg BAg CMg DNi

A

2.( )

A8.9103/3

B.

C,

D.

B


5

3.

A.H2+CuO===Cu+H2O B.C+2CuO===2Cu+CO2

C.CO+CuO===Cu+CO2 D.Zn+2HCl===ZnCl2+H2

C

4,

A..

B.

C..

D..

A


5

5.

A. B.

C. D.

C


5

6.,(),??

:,,.


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