August 2019 NY Regents Chemistry Exam 6 As the elements in Period 2 are considered in order from lithium to fluorine, there is an...

January 2020 NY Regents Chemistry Exam 10 Based on Table S, an atom of which element has the strongest attraction for electrons in a...

January 2020 NY Regents Chemistry Exam 6 Which element requires the least amount of energy to remove the most loosely held electron from...

January 2020 NY Regents Chemistry Exam 5 Which element has chemical properties that are most similar to potassium? (1) calcium (2) cesium...

January 2020 NY Regents Chemistry Exam 4 The element in Group 14, Period 3, of the Periodic Table is classified as a (1) metal (2) noble...

June 2023 NY Regents Chemistry Exam 34 At room temperature, a student determines the density of a sample of nickel to be 9.79 g/cm3....

June 2023 NY Regents Chemistry Exam 35 Compared to the metals in Period 2, the nonmetals in Period 2 have (1) lower first ionization...

June 2023 NY Regents Chemistry Exam 11 Which changes in both charge and radius occur when an atom loses an electron? (1) A negative ion...

June 2017 NY Regents Chemistry Exam 34 What is the chemical formula for sodium sulfate? (1) Na2SO4 (2) Na2SO3 (3) NaSO4 (4) NaSO3...

June 2018 NY Regents Chemistry Exam 38 Given the equation representing a reaction: Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) Which type of...