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Nikitich [7]
3 years ago
10

How does fluorine electronegativity compare to the electronegativity of oxygen and chloride?

Chemistry
1 answer:
Artemon [7]3 years ago
7 0

Answer:

Cl EN < O EN < F EN

Explanation:

Electronegativity is a periodic property that indicates the tendency of an atom to attract electrons when combined with another element. It is very useful for predicting the type of bonding of compounds, so it is not possible to talk about electronegativity in elements in a fundamental state.

In the periodic table the electronegativity increases diagonally and the values ​​were established in the so-called Pauling scale.  

It is expected that elements with high electron affinity and high ionization energy possess considered electronegativity, so the group of nonmetals have high electronegativity, in fact flour is the most electronegative element

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Nady [450]

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Explanation:

In the elements of the periodic table, the atomic mass = molar mass. <u>Ex:</u> Atomic mass of Carbon is 12.01 amu which means molar mass of Carbon is also 12.01g/mol.

In order to find the # of moles in a 12 g sample of NiC-12, we will need to multiply the number of each atom by its molar mass and then add the masses of both Nickel and C-12 found in the periodic table:

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Since there's just one atom of both Carbon and Nickel, we just add up the masses to find the molar mass of the whole compound of NiC-12.

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There's 12g of NiC-12, which is less than the molar mass of NiC-12, so the number of moles should be less than 1. In order to find the # of moles in NiC-12, we need to do some dimensional analysis:

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