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12-11-2020
Chemistry

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A student uses the periodic table to construct a model that uses a simple diagonal arrow to depict decreasing electronegativity. Where should the arrow point to indicate the lowest electronegativity of all the elements?

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cameronmitchelljones cameronmitchelljones

13-11-2020

Answer:

helium

Explanation:

helium has the highest ionization energy level

Answer Link

23-10-2021

An element's ability to attract shared electron thus forming covalent bonds is a measure of it's electronegativity. Hence, in other indicate decreasing level of electronegativity, arrow must point to the left across groups and down along the column.

Electronegativity of elements on the periodic table decreases along the groups on the periodic table with elements, Helium and Fluorine being the most electronegative

Along the columns, electronegativity decreases downwards with cesium and francium being the least electronegative.

Therefore, the arrow should point from right to left across the group and top to bottom along the columns.

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