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June 2023 Chemistry Regents Questions 31-40 Multiple Choice Test

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June 2023 Chemistry Regents Questions 31-40

The questions in this practice exam are thoughtfully crafted to assess your knowledge and skills. They cover a range of topics and formats, offering a valuable opportunity for self-assessment and preparation.

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 Lewis electron-dot diagram represents an atom of nitrogen in the ground state?

Which numerical setup can be used to calculate the atomic mass of silver?

A potassium atom has a mass number of 37. What is the number of neutrons in this atom?

A potassium atom has a mass number of 37. What is the number of neutrons in this atom?

Compared to the metals in Period 2, the nonmetals in Period 2 have

Which formula represents calcium hydride?

What is the number of moles in a 78.8-gram sample of MgCO3 (gram-formula mass = 84.3 g/mol)?

Which type of chemical reaction is represented by the equation?

Which compound has the strongest intermolecular forces at 60 kPa?

Which particle diagram represents a sample of xenon at STP?

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