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January 2018 Chemistry Regents Questions 31-40 Multiple Choice Test

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January 2018 Chemistry Regents Questions 31-40

Use your knowledge of Chemistry to answer all questions in the data set. You will need your Chemistry reference tables and a calculator to answer some of the questions. Good Luck.

NOTE: If the question contains an image, clicking on it will enlarge it for easier viewing. If there is a "More Info" link after the question, clicking it will display additional content related to the question.

An ion that consists of 7 protons, 9 neutrons, and 10 electrons has a net charge of

Which electron configuration represents the electrons of an atom in an excited state?

Which numerical setup can be used to determine the atomic mass of the element boron?

In which group on the Periodic Table would a nonmetallic element belong if atoms of this element tend to gain two electrons to complete their valence shell?

Which trend is observed as the first four elements in Group 17 on the Periodic Table are considered in order of increasing atomic number?

What is the number of moles of KF in a 29-gram sample of the compound?

Which bond is most polar?

Based on Table F, which equation represents a saturated solution having the lowest concentration of Cl- ions?

What is the molarity of a solution that contains 0.500 mole of KNO3 dissolved in 0.500-liter of solution?

Compared to sample 1, sample 2 contains

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