HESI A2 CHEMISTRY ACTUAL EXAM PAPER
V1 AND V2 2026 QUESTIONS AND
ANSWERS 100% CORRECT
⩥ 3 common temperature systems? Answer: Fahrenheit, Celsius, Kelvin
⩥ Celsius is based around? Answer: freezing and boiling point of water
⩥ What is reduction? Answer: GAIN of electrons
⩥ Gamma radiation: (Give 3 Properties)) Answer: Similar to x-rays
Can be stopped by several feet of concrete or several inches of Lead
High energy electromagnetic radiation lacking charge and mass
⩥ What are Hydrogen bonds? Answer: Weak attraction between a
hydrogen atom & another atom
⩥ Examples of intermolecular forces? Answer: Hydrogen bonds, dipole-
dipole, dispersion forces
, ⩥ 4 basic ways to speed up a reaction? Answer: ↑ temperature, ↑ Surface
area, ↑ catalyst & concentration
⩥ What are intermolecular forces? Answer: Forces of attractions
between molecules
⩥ Where are nucleic acids, DNA & RNA found? Answer: Cell nucleus
⩥ Atoms of the same element but have different numbers of neutrons?
Answer: Isotope
⩥ Gluconeogenesis is a process that produces? Answer: Glucose from
proteins and fats
⩥ What is oxidation? Answer: Loss of electrons (OIL: oxidation is
losing)
⩥ A way to express concentration of atoms? Answer: Mole
⩥ What is reduction? Answer: GAIN of electrons (RIG: reduction is
gaining)
⩥ Part of the nucleus of an atom that has no charge? Answer: Neutron
V1 AND V2 2026 QUESTIONS AND
ANSWERS 100% CORRECT
⩥ 3 common temperature systems? Answer: Fahrenheit, Celsius, Kelvin
⩥ Celsius is based around? Answer: freezing and boiling point of water
⩥ What is reduction? Answer: GAIN of electrons
⩥ Gamma radiation: (Give 3 Properties)) Answer: Similar to x-rays
Can be stopped by several feet of concrete or several inches of Lead
High energy electromagnetic radiation lacking charge and mass
⩥ What are Hydrogen bonds? Answer: Weak attraction between a
hydrogen atom & another atom
⩥ Examples of intermolecular forces? Answer: Hydrogen bonds, dipole-
dipole, dispersion forces
, ⩥ 4 basic ways to speed up a reaction? Answer: ↑ temperature, ↑ Surface
area, ↑ catalyst & concentration
⩥ What are intermolecular forces? Answer: Forces of attractions
between molecules
⩥ Where are nucleic acids, DNA & RNA found? Answer: Cell nucleus
⩥ Atoms of the same element but have different numbers of neutrons?
Answer: Isotope
⩥ Gluconeogenesis is a process that produces? Answer: Glucose from
proteins and fats
⩥ What is oxidation? Answer: Loss of electrons (OIL: oxidation is
losing)
⩥ A way to express concentration of atoms? Answer: Mole
⩥ What is reduction? Answer: GAIN of electrons (RIG: reduction is
gaining)
⩥ Part of the nucleus of an atom that has no charge? Answer: Neutron
