3.4 For each of the following elements, locate it in the Periodic Table, and indicate whether it is a metal, metalloid, or non-m
1 answer:
According to its location in the periodic table:
- Ge: Period 4, Group 14. Metalloid.
- Se: Period 4, Group 6, Non-metal.
- Be: Period 2, Group 2, Metal.
It is a table in which elements are ordered in Groups (columns) and Periods (rows).
According to their ubication and properties they can be classified in:
- Metals: occupy the left and center of the table.
- Metalloids: occupy the right of the table (dark green in the attached table).
- Non-metals: occupy the right of the table (yellow and light green in the attached image).
Let's locate and classify the following elements:
- Germanium: Period 4, Group 14. Metalloid.
- Selenium: Period 4, Group 6, Non-metal.
- Beryllium: Period 2, Group 2, Metal.
Learn more about the periodic table here: brainly.com/question/14514242
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Given :
Volume , V = 500 mL .
Molarity , M = 0.5 M .
Molecular mass of NaCl is .
To Find :
How many grams of NaCl is required .
Solution :
Let , NaCl required is x gram .
Molarity is given by :
Hence , this is the required solution.