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timama [110]
3 years ago
10

[HELP PLEASE]What is the electronegativity from largest to smallest for Chlorine [Cl], Carbon [C], and Arsenic [As]? (hint: use

your interactive periodic table)
Chemistry
1 answer:
valentina_108 [34]3 years ago
8 0

Answer:

Electronegativity varies in a predictable way across the periodic table. Electronegativity increases from bottom to top in groups, and increases from left to right across periods. Thus, fluorine is the most electronegative element, while francium is one of the least electronegative.Explanation:

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We know that for compounds to be formed, atoms would either lose, gain or share electrons between one another.

The oxidation state is usually expressed using the oxidation number and it is a formal charge assigned to an atom which is present in a molecule or ion.

To ascertain the oxidation state, we have to comply with some rules:

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For example, let us find the oxidation state of Cr in Cr₂O₇²⁻

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We see that the oxidation number of Cr, a transition metal in the given ion is +6.

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