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January 2023 Chemistry Regents Questions 31-40 Multiple Choice Test

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January 2023 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.

What is the net charge of a monatomic ion that has 15 protons, 16 neutrons, and 18 electrons?

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

Which general trend is observed as the elements in Period 2 are considered from left to right?

Which formula represents chromium(III) oxide?

What is the mass of KCl produced when 24.51 grams of KClO3 reacts completely to produce 9.60 grams of O2?

Which equation represents conservation of atoms?

One mole of bromine gas, Br2, has a mass of

Which type of reaction does this equation represent?

Which statement describes the charge and the radius of the magnesium ion formed when a magnesium atom loses two electrons?

An oxide ion, O2-, has the same electron configuration as an atom of which noble gas?

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