Select the correct answer. Which statement describes the acid found in vinegar (acetic acid)? A. It tastes bitter. B. It feels slippery. C. It changes red litmus paper to blue. D. It reacts with Mg to produce H2. E. It releases OH- in a solution.

A. true.

The statement that Eisenhower, Kennedy, and Johnson all approved of the United States backing the South Vietnamese in their civil war is absolutely true. After the communist North Vietnam got her Independence in 1954, there began a civil war in South Vietnam. The communist insurgents backed by North Vietnam turned against the South Vietnam government. So US supplied its soldiers in South Vietnam to suppress the communist insurgents and the move was approved by Eisenhower, Kennedy, and Johnson.

Based on the trend, an electron will be most strongly attracted to Cl, chlorine. The correct option is D.

What is electronegativity?

Electronegativity is a property of an element which show the tendency of that element to accept electrons from other element. When an atom accept electrons, it gets a negative charge, the charge increase with the increase of accepting number of electrons.

Chlorine is a gas and is highly acidic. It has the highest electronegativity because it has the highest tendency to form a covalent bond with other element.

Chlorine has seven electrons in its outer shell, and it needs only one electron to complete its octave equal to the noble gas configuration.

Thus, the correct option is D. Cl.

To learn more about electronegativity, refer to the link:

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Answer:

Cl

Explanation:

The electronegativity follow the trend that the higher the element is the more electronegative he is, for exemplo, in F, Cl and Br are all from the same group, 17A, put F has the lowest atomic number, followed by Cl and Br is the last, because of that F is the more electronegative from them, followed for Cl and Br is the element with lowest electronegativity.

And this trend also says that the element that are on the right of the table will have the higher electronegativity, for exemplo F, K and Be, all of the will have electron on the second band of valence but F is for the group 17A, K is from the 1A and Be is form the 2A. Because of that F is, one again, the one with the highest electronegativity followed by Be and K is the one with the lowest electronegativity of them all.

Answer:

The answer to your question is 1.51 moles of PBr₃

Explanation:

Data

moles of Br = 2.27

moles of PBr₃ = x

Balanced chemical reaction

                   2P   +   3Br₂  ⇒   2PBr₃

             Reactant      Element     Products

                   2                  P                 2

                   6                  Br                6

-Use proportions to find the answer

              3 moles of Br₂ ------------------  2 moles of PBr₃

         2.27 moles of Br₂ ------------------  x

               x = (2.27 x 2) / 3

               x = 4.54 / 3

              x = 1.51 moles

Answer:Identify one disadvantage to each of the following models of electron configuration:

Dot structures

Arrow and line diagrams

Written electron configurations

Explanation: