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nlexa [21]
3 years ago
9

What is the number of protons of oxygen

Chemistry
2 answers:
Deffense [45]3 years ago
8 0

Answer: I believe it's 8

Explanation: The oxygen atom has therefore 8 neutrons, 8 protons and 8 electrons.

Greeley [361]3 years ago
4 0

Answer:

8 protons

The number of protons tell us what type of element an atom is.

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Brainliest get's +20 points!
gizmo_the_mogwai [7]

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i think thats correcr!

Explanation:

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3 years ago
How is sodium extracted from is ore?
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Answer:

Sodium is extracted from it's ore by electrolysis of fused sodium chloride.

Explanation:

he process is usually carried out ia a special electrochemical cell called the downs cell. While molten sodium metal is collected at the cathode and also sent to tanks for cooling and storage.

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3 years ago
The most likely van't Hoff factor for an 0.01 m calcium iodide solution is
monitta

This problem is providing us with the molality of a solution of calcium iodide as 0.01 m. So the most likely van't Hoff factor is required and theoretically found to be 3 due to the following:

<h3>Van't Hoff factor:</h3>

In chemistry, the correct characterization of solutions also imply the identification of the ions it will release in aqueous solution. For that reason, the van't Hoff factor gives us an idea of this number, according to the formula the solute has got.

In such a way, for calcium iodide, we write its ionization equation as shown below:

CaI_2\rightarrow Ca^{2+}+2I^-

Assuming it is able to ionize due to the low molality, because if it was higher, then it won't ionize. Hence, since we have three moles of ion products, one Ca²⁺ and two I⁻, we can conclude the van't Hoff factor would be 3, although calculations may lead to a different, yet close result.

Learn more about the van't Hoff factor: brainly.com/question/23764376

5 0
3 years ago
I NEED HELP FAST!!!!! Can you tell me about the development of the periodic table??? I have a DBA in a few minutes and I don't k
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Dimitri Mendeleev was the first to put elements together on a table. He knew there were elements missing but he noticed a trend in some of the elements known at the time. Sodium, Lithium and other alkali metals all have the same properties so he put them under the same column and created other columns with similar attributes (Halogens, Noble gases, Alkaline earth metals). Over the years, new elements were discovered and put into the rough outline that Mendeleev created.

I hope that is about what you wanted. 
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The emission spectrum of hydrogen is shown below. What do the lines in the
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A

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Same air has special carakteristik features

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