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June 2019 Chemistry Regents Questions 31-40 Multiple Choice Test

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June 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 the mixture?

Which electron confi guration represents an atom of chlorine in an excited state?

A student measures the mass and volume of a sample of aluminum at room temperature, and calculates the density of Al to be 2.85 grams per cubic centimeter. Based on Table S, what is the percent error for the student’s calculated density of Al?

Magnesium and calcium have similar chemical properties because their atoms in the ground state have

As the elements in Period 2 of the Periodic Table are considered in order from left to right, which property generally decreases?

How many moles of carbon dioxide are produced when 5.0 moles of butane react completely?

What is the percent composition by mass of nitrogen in the compound N2H4 (gram-formula mass = 32 g/mol)?

Which ion in the ground state has the same electron configuration as an atom of neon in the ground state?

Which compound has the strongest intermolecular forces?

Which particle model diagram represents xenon at STP?

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