NY Regents Chemistry Exam Jan 2023 The equation below represents the reaction between ammonia and hydrogen chloride. 55. Explain, in...

NY Chemistry Regents Exam Jan 2023 The first four elements in Group 14 are carbon, silicon, germanium, and tin. These elements form...

NY Chemistry Regents Exam Jan 2023 52 Determine the oxidation state of chromium in K2CrO4. We can look at the periodic table to find...

NY Chemistry Regents Jan 2023 51 Explain, in terms of neutrons and protons, why P-32 and P-31 are different isotopes of phosphorus....

NY Chemistry Regents Exam Jan 2023 50 Given a formula representing a compound: Which formula represents an isomer of the compound?...

NY Chemistry Regents Exam Jan 2023 49 Which formula represents 2-butene? Solution: Table P and Table Q on the Reference Table represent...

NY Chemistry Regents Exam January 2023 48. Given the equation representing a reaction: This equation represents (1) sublimation (2)...

NY Regents Chemistry Exam Jan 2023 47. Which aqueous solution is the best conductor of an electrical current? (1) 0.1 M NaNO3 (2) 0.2 M...

NY Regents Chemistry Exam Jan 2023 46 Based on Table J, atoms of which metal will lose electrons to Ca2+ ions? (1) aluminum (2) lead (3)...

NY Chemistry Regents Exam Jan 2023 45. Which particle diagram represents one substance, only? Solution: Elements and compounds are pure...