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Rainbow [258]
3 years ago
13

How do metalloids affect modern technology?

Chemistry
1 answer:
Lady bird [3.3K]3 years ago
7 0
<em><u>examples of metalloids :
</u>Boron,Silicon ,Germanium are some metalloids ...
<u>what they do:
</u>they are used to form the semiconductors and these semiconductors are used in modern computer technology like in circuits ,chips and computer based gadgets... :) <u>
</u></em>
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How many sigma bonds in a single bond
Katarina [22]

Answer:

single bond= 1 sigma bond

so basically 1

Explanation:

Usually, all bonds between atoms in most organic compounds contain one sigma bond each. If it is a single bond, it contains only sigma bond. Multiple bonds (double and triple), however, contains sigma and pi bonds. Double bonds have one each, and triple bonds have one sigma bond and two pi bonds

8 0
3 years ago
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A sample of 87.6 g of carbon is reacted with 136 g of
Vadim26 [7]

Answer:

A. fluorine, 1.79 moles

Explanation:

Given parameters:

Mass of carbon  = 87.7g

Mass of fluorine gas  = 136g

Unknown:

The limiting reactant and the maximum amount of moles of carbon tetrafluoride that can be produced  = ?

Solution:

   Equation of the reaction:

             C    +   2F₂ →   CF₄  

let us find the number of the moles the given species;

  Number of moles = \frac{mass}{molar mass}  

  C;   molar mass = 12;

            Number of moles  = \frac{87.7}{12}   = 7.31moles

 F;  molar mass  = 2(19)  = 38g/mol

             Number of moles  = \frac{136}{38}   = 3.58moles

 So;

   From the give reaction:

          1 mole of C requires 2 moles of F₂

         7.31 moles of C will then require 2 x 7.31 moles of F₂ = 14.62moles

But we have 3.58 moles of the F₂;

  Therefore, the reactant in short supply is F₂ and it is the limiting reactant;

 So;

       2 moles of F₂ will produce  mole of CF₄  

       3.58 moles of F₂ will then produce \frac{3.58}{2}  = 1.79moles of CF₄

6 0
3 years ago
Can someone help me with this
lord [1]

Answer: A

Explanation:

8 0
2 years ago
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The stronger the wind, the larger the particles it erodes.
Fittoniya [83]
I believe the statement above is true. The stronger the wind, the larger the particles it erodes<span>. The stronger the wind, the larger the particles that are carried away.

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7 0
3 years ago
Which substance has a chemical formula with the same ratio of metal ions to nonmetal ions as in potassium sulfide?
pav-90 [236]
Answer=1

Potassium Sulfide= K2S (two metals, one non metal)


Sodium Oxide=Na2O (two metals. one nonmetal)

Sodium Chloride=NaCl (one metal, one nonmetal)

Magnesium Oxide=MgO (one metal, one nonmetal)

Magnesium Chloride=MgCl2 (one metal, two nonmetals)
6 0
3 years ago
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