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HESI A2 CHEMISTRY QUESTIONS WITH VERIFIED ANSWERS 2024
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HESI A2 CHEMISTRY QUESTIONS WITH VERIFIED ANSWERS 2024
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HESI A2 CHEMISTRY QUESTIONS WITHVERIFIED ANSWERS 2024
What are all metric measurements composed of? - correct answer-metric prefix and a basic unit of
measurement
What is the most commonly used temperature in scientific community? - correct answer-Celsius
Nucleus of an atom contains... - correct answer-protons and neutrons
an atom with a positive charge - correct answer-cation
what are the rows called in the periodic table - correct answer-periods
atomic number - correct answer-number of protons
atomic mass - correct answer-mass of elements isotopes
how are chemical equations written? - correct answer-reactants --> products
charge of potassium in KCL - correct answer-+1
Catalyst substance accelerates a reaction by... - correct answer-finding an alternate pathway for a
reaction that requires less energy
percent concentration is expressed... - correct answer-parts per 100 parts
what will 1 L of a 1 molar solution of any element contain? - correct answer-atomic mass in grams
chemical bonding is the bonding of ... - correct answer-atom to another atom
, describe an ionic bond - correct answer-it does not share electrons
describe reduction of a redox reaction - correct answer-gain of electrons
what are acids - correct answer-hydrogen donors
name a benefit for water to make hydrogen bonds - correct answer-high specific heat
what is a base - correct answer-hydrogen acceptor
chemical reaction along catabolic pathways increase in... - correct answer-entropy
What is the pH of 7? - correct answer-normal
correctly write Iodine with atomic mass of 131 - correct answer-131^I
131 is placed in the upper left side of I (Iodine)
Correct formula for magnesium chloride - correct answer-MgCl2
Weakest intermolecular force - correct answer-dispersion
Beta radiation is the emission of... - correct answer-an electron
Describe carbohydrates - correct answer-they serve as fuel for the body
what are monosaccharides - correct answer-simplest form of carbohydrate
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