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IgorC [24]
3 years ago
8

Which of the following elements has the highest electronegativity?

Chemistry
2 answers:
blsea [12.9K]3 years ago
7 0

Answer:

B) Florine

Explanation:

Thus, fluorine is the most electronegative element.

Please mark brainliest and have a great day!

Alekssandra [29.7K]3 years ago
7 0
The answer is b) florine
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When water is decomposed into hydrogen and oxygen, these gases cannot combine again to reform water?
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This statement is false. When water is decomposed into hydrogen and oxygen; these gases are in a position of combining again to reform water. Water is a molecule consisting of one atom of oxygen bound to two hydrogen atoms. The atoms are joined by covalent bonds; however they have addition hydrogen bonds between the partial negative oxygen and the partial positive hydrogen atom.
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4 years ago
Is Nal a ionic compound
sattari [20]

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Explanation:

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3 years ago
A soluble iodide was dissolved in water. Then an excess of silver nitrate, AgNO3, was added to precipitate all of the io- dide i
Sergeeva-Olga [200]

Answer:

m_{I^-}=1.18gI^-

Explanation:

Hello,

In this case, the reaction is given as:

I^-+AgNO_3\rightarrow AgI+NO_3^-

Thus, starting by the yielded grams of silver iodide, we obtain:

n_{I^-}=2.185gAgI*\frac{1molAgI}{234.77gAgI}*\frac{1molI}{1molAgI}=9.31x10^{-3}molI^-

Which correspond to the iodide grams in the silver iodide. In such a way, by means of the law of the conservation of mass, it is known that the grams of each atom MUST remain constant before and after the chemical reaction whereas the moles do not, therefore, the mass of iodine from the silver iodide will equal the mass of iodine present in the soluble iodide, thereby:

m_{I^-}=9.31x10^{-3}molI^-\frac{127gI^-}{1molI^-} =1.18gI^-

And the rest, correspond to the iodide's metallic cation which is unknown. Such value has sense since it is lower than the initial mass of the soluble iodide which is 1.454g, so 0.272 grams correspond to the unknown cation.

Best regards.

7 0
4 years ago
what is the theoretical yield (in mols) of magnesium when 1.1 x 102 mols of lithium reacts with excess magnesium chloride.
Bezzdna [24]

Explanation:

Use the molecular formula to find the molar mass; to obtain the number of moles, divide the mass of compound by the molar mass of the compound expressed in grams.

6 0
3 years ago
Which element is humus especially rich in?<br>oxygen <br>carbon <br>nitrogen <br>or tungsten​
amid [387]

Answer:

Carbon

Explanation:

looked it up

5 0
3 years ago
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