In the first step is display the general information about these elements, the second step and third step are able to students to study some information about these group.
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| Welcome to lesson of Science | ||||||||||||||||||
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| Identification of Cationic Radical | ||||||||||||||||||
| This lesson is including first group elements, Sliver (Ag), Lead (Pb) and Mercury (Hg). In the first step is display the general information about these elements, the second step and third step are able to students to study some information about these group. |
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| Step 1 | ||||||||||||||||||
| Step2 | ||||||||||||||||||
| Step 3 | ||||||||||||||||||
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