Problem: A probe sent to the planet Mercury has measured the electronegativities of several elements it has detected on the planet. Element:                       1                2            3            4            5Electronegativity:          3.04          1.31        2.04       2.20       2.66Which element would you expect to identify as a metal?a. Element 1b. Element 2c. Element 3d. Element 4e. Element 5ElectronegativityElectronegativity is another periodic property. The electronegativity value for an atom describes its ability to attract electrons to itself when it is part of a chemical compound. Electronegativity increases diagonally from the lower left to the upper right of the periodic table. Highly electronegative elements (with a chi value of χ ≥ 2.2) are usually insulating nonmetals, whereas elements with low electronegativity (with χ ≤ 1.8) are often conducting metals.

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Problem Details

A probe sent to the planet Mercury has measured the electronegativities of several elements it has detected on the planet. 

Element:                       1                2            3            4            5

Electronegativity:          3.04          1.31        2.04       2.20       2.66

Which element would you expect to identify as a metal?

a. Element 1

b. Element 2

c. Element 3

d. Element 4

e. Element 5


Electronegativity

Electronegativity is another periodic property. The electronegativity value for an atom describes its ability to attract electrons to itself when it is part of a chemical compound. Electronegativity increases diagonally from the lower left to the upper right of the periodic table. Highly electronegative elements (with a chi value of χ ≥ 2.2) are usually insulating nonmetals, whereas elements with low electronegativity (with χ ≤ 1.8) are often conducting metals.

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