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abruzzese [7]
2 years ago
10

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

etal. (3) 4.4.1 Germanium (Ge) 4.4.2 Selenium (Se) 4.4.3 Beryllium (Be)
​
Chemistry
1 answer:
12345 [234]2 years ago
6 0

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.

<h3>What is a periodic table?</h3>

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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Answer:

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Explanation:

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A sample of gas in which [h2s] = 3.50 m is heated to 1400 k in a sealed vessel. after chemical equilibrium has been achieved, wh
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The value of Kc for the thermal decomposition of H₂S is 2.2 x 10⁻⁴ at 1400 K:
                        2 H₂S(g) ↔     2 H₂(g) + S₂(g)
initial                  3.5 M               0           0
at equilibrium     3.5 M - 2x       2x          x
Kc             = [S₂][H₂]² / [H₂S]² 
2.2 X 10⁻⁴ = x(2x)² / (3.5 - 2x)²
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What claim is being made?
dangina [55]
The correct answer is c
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Answer:

0.416666667

Explanation:

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