Tugas Pendahuluan Praktikum

Preliminary Task For Practical III Chemistry Basic Laboratory

1.  Write the title and the purpose of this practical

2. Write the characteristic of group IA and IIA on the periodic table and their atomic

3. Write the following electron configuration of atomic

a.       Li

b.      Mg

c.       Ca

d.      Na

       4. Arrange the following reactivity of salt compounds and explain the reason.

CaCl₂

SrCl₂

BaCl₂

MgCl₂

     5. Arrange the following reactivity of salt compounds and explain the reason.

KaBr

NaBr

LiBr

RbBr

    6. Complete the following reactions

Li         +          H₂O              

Na       +          H₂O    

Mg       +          H₂O    

Ca        +          H₂O    

CaCl₂               +          H₂SO₄            

SrCl₂                +          H₂SO₄            

BaCl₂               +          H₂SO₄            

MgCl₂              +         H₂SO₄            

CaCl₂               +          NaOH            

SrCl₂                +          NaOH            

BaCl₂               +          NaOH            

MgCl₂              +         NaOH            

Note:   -     You can answer the question use Bahasa Indonesia or English. Make it Enjoy J

-          Write your Task in paper HVS A4, margine 3 3 3 3, cover

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