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mario62 [17]
3 years ago
10

Which of the following happens when chlorine forms an ion?

Chemistry
2 answers:
Jlenok [28]3 years ago
7 0

What  happens  when  chlorine  form  an ion  is that  it gains an electron and  has  an octet  in its  outer shell  ( answer  A)


<u><em> Explanation</em></u>

<u><em> </em></u>Chlorine is  is in atomic  number  17  in periodic table.

The electron configuration  of chlorine  is    1S2 2S2 2P6 3S2 3P5   or[Ne]3S2 3p5  or  2.8.7.

chlorine therefore  has 7 valence electron therefore it  gain  1 electron  to form Cl- ( ion)

Cl- has  8  electron in its outer  shell (  it  obeys  octet  rule  of eight valence in outer shell.

kotykmax [81]3 years ago
7 0
When chlorine forms an ion it gains an electron and has an octet in its outer shell. The correct answer is A. 
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3 years ago
Calculate the ph of a 0.005 m solution of potassium oxide k2o
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First, we have to see how K2O behaves when it is dissolved in water:

K2O + H20 = 2 KOH

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c(KOH) : c(K2O) = 1 : 2

So,

c(KOH)= 2 x c(K2O)= 2 x 0.005 = 0.01 M = c(OH⁻)

Now we can calculate pH:

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3 years ago
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<h2>1.54 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density} \\

From the question we have

volume =  \frac{5.61}{3.65}  \\  =1.536986...

We have the final answer as

<h3>1.54 mL</h3>

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