Hesi A2 Chemistry Exam (V1,v2)2024- |actual Complete Questions And Correct Answers (100% Verified Answers )

HESI A2 CHEMISTRY EXAM (V1,V2)2024-2025 |ACTUAL COMPLETE QUESTIONS AND CORRECT ANSWERS (100% VERIFIED ANSWERS ) ALREADY GRADED A+. What are all metric measurements composed of? - ANSWER-Metric prefix and a basic unit of measure What is the most commonly used temperature scale in the scientific community? - ANSWER-Celsius or centigrade The nucleus of an atom contains or is made up of: - ANSWER-protons and neutrons What is an atom that has a positive charge? - ANSWER-Cathode In the periodic table, what are the rows called? - ANSWER-Periods What is the Atomic number? - ANSWER-number of protons What is the atomic mass? - ANSWER-Average mass of that elements isotopes Chemical equations are written in which matter? - ANSWER- Reactants Products What is the charge on potassium in the compound KCl - ANSWER-+1 A catalyst is a substance that accelerates a reaction bywhich of the following? - ANSWER-Finding an alternate pathway for a reaction that requires less energy. Percent concentration of a solution is expressed: - ANSWER-parts per 100 parts What will 1 Liter of a 1 molar solution of any element contain: - ANSWER-The atomic mass in grams of that element Chemical bonding is the bonding of what: - ANSWER-One atom