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hram777 [196]
4 years ago
9

Which of the following elements will not form a polar covalent bond with oxygen?

Chemistry
2 answers:
kari74 [83]4 years ago
8 0

Answer:

C. Oxygen

Explanation:

Oxygen will not form a polar covalent bond with another oxygen atom because when 2 atoms of the same element bond, it is a nonpolar covalent bond.

Since they are the same element, the 2 oxygens have the same electronegativity and will share their electrons equally.

Polar covalent bonds involve 2 atoms that will share electrons unequally

Svet_ta [14]4 years ago
7 0

sodium will form an ionic bond

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The percent of histidine side chains would be deprotonated at pH 7.5  is 5.77 %.

<h3>What is pKa?</h3>

The term pKa refers to the negative logarithm of the acid dissociation constant (Ka). The pH is the negative logarithm of the hydrogen ion concentration.

Hence;

Ka = Antilog (-6) =1 * 10^-6

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α = \sqrt{} \frac{Ka}{[H^+] }

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Learn more about percent dissociation: brainly.com/question/12273293

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