HESI A2 Chemistry (V1 & V2) Question and Answer
[2026/2027] | UPDATED ACTUAL Exam | Complete
Exam Prep
• Alpha radiation has a + ___ and contains ____ protons and ____ neutrons; they admit
____ ions -✓✓ +2, 2, 2, Helium
• Type of alloy in which another metal is dissolved in Mercury -✓✓ amalgam
• Proteins are made up of -✓✓ amino acids
• Glycogen is what kind of starch -✓✓ animal starch
• When an electron gains one or more electrons -✓✓ Anion
• Basic building block of a molecule -✓✓ atom
• Bases are: -✓✓ Proton accepts (-OH)
• Beta radiation has a ___ charge; they _______ products of protons or neutrons -✓✓ +
or -, decomposition of a proton or neutron
• How do catalysts accelerate a chemical recation -✓✓ By reducing the amount of
energy needed for a reaction to occur
• Define catalyst -✓✓ Substances that speeds up a chemical reaction
• What is an atom called when it LOSES 1 or more electron -✓✓ Cation
• What is chemical bonding -✓✓ The joining of an atom to form a new substance, Ionic
and Covalent
• What is an ionic bond -✓✓ electrical attraction between 2 oppositely charged atoms
(between metals and nonmetals)
• Ionic bonding: -✓✓ formed when an atom transfers an electron to another atom
• Single covalent bone -✓✓ 1 shared electron pair (non-metal)
• Double covalent bond -✓✓ 2 shared electron pairs
• Triple covalent bond -✓✓ 3 shared electron pairs
[2026/2027] | UPDATED ACTUAL Exam | Complete
Exam Prep
• Alpha radiation has a + ___ and contains ____ protons and ____ neutrons; they admit
____ ions -✓✓ +2, 2, 2, Helium
• Type of alloy in which another metal is dissolved in Mercury -✓✓ amalgam
• Proteins are made up of -✓✓ amino acids
• Glycogen is what kind of starch -✓✓ animal starch
• When an electron gains one or more electrons -✓✓ Anion
• Basic building block of a molecule -✓✓ atom
• Bases are: -✓✓ Proton accepts (-OH)
• Beta radiation has a ___ charge; they _______ products of protons or neutrons -✓✓ +
or -, decomposition of a proton or neutron
• How do catalysts accelerate a chemical recation -✓✓ By reducing the amount of
energy needed for a reaction to occur
• Define catalyst -✓✓ Substances that speeds up a chemical reaction
• What is an atom called when it LOSES 1 or more electron -✓✓ Cation
• What is chemical bonding -✓✓ The joining of an atom to form a new substance, Ionic
and Covalent
• What is an ionic bond -✓✓ electrical attraction between 2 oppositely charged atoms
(between metals and nonmetals)
• Ionic bonding: -✓✓ formed when an atom transfers an electron to another atom
• Single covalent bone -✓✓ 1 shared electron pair (non-metal)
• Double covalent bond -✓✓ 2 shared electron pairs
• Triple covalent bond -✓✓ 3 shared electron pairs
