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August 2019 Chemistry Regents Questions 31-40 Multiple Choice Test

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August 2019 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.

Which elements are present in this mixture?

Which electron confi guration represents the electrons in an atom of sulfur in an excited state?

Which notations represent atoms that have the same number of protons but a different number of neutrons?

What is the chemical name of the compound NH 4SCN?

Which equation represents a conservation of atoms?

Which compound has covalent bonds?

Which particle diagram represents a sample of oxygen gas at STP?

At which temperature and pressure will a sample of neon gas behave most like an ideal gas?

What is the molarity of 2.0 liters of an aqueous solution that contains 0.50 mole of potassium iodide, KI?

Which two samples contain the same number of molecules?

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