WorksheetsChemistry for Physiologists Quiz
Total questions: 15
Worksheet time: 8mins
What are the three major types of subatomic particles in an atom?
Neutrons, protons, and photons
Electrons, positrons, and neutrons
Neutrons, protons, and electrons
Protons, electrons, and positrons
What is the maximum number of electrons the second shell can hold?
32
2
8
18
What is the atomic number of an element?
The sum of protons and neutrons in an atom's nucleus
The number of protons in an atom's nucleus
The number of electrons in an atom's nucleus
The number of neutrons in an atom's nucleus
What is the definition of isotopes?
Atoms with the same number of electrons but different number of protons
Atoms with the same number of protons but different number of electrons
Atoms with the same number of neutrons but different number of protons
Atoms with the same number of protons but different number of neutrons
What is a cation?
A negatively charged ion
An ion with equal protons and electrons
An ion with no charge
A positively charged ion
What type of bond involves the sharing of electron pairs between atoms?
Hydrogen bond
Covalent bond
Van der Waals forces
Ionic bond
What is the main characteristic of a polar covalent bond?
Atoms do not share electrons
Electrons are shared equally between atoms
Electrons are transferred from one atom to another
One atom attracts the shared electrons more strongly
What is the role of antioxidants in the body?
To create more free radicals
To increase the number of free radicals
To convert free radicals into ions
To prevent free radical damage
What is the definition of a chemical compound?
A single element
A mixture of elements
Atoms of two or more different elements joined together
Atoms of the same element joined together
What is the pH of a neutral solution?
0
1
7
14
What is the function of a buffer system in the body?
To increase the acidity of body fluids
To increase the concentration of hydrogen ions
To maintain pH homeostasis
To decrease the alkalinity of body fluids
What is the most abundant substance in the body?
Carbon
Oxygen
Water
Calcium
What is the process of breaking down macromolecules into monomers by adding water called?
Dehydration synthesis
Hydrolysis
Condensation reaction
Polymerization
What is the main characteristic of organic compounds?
They always contain carbon and hydrogen
They do not contain carbon
They are always hydrophilic
They are always ionic
What is the role of carbon in organic compounds?
It forms ionic bonds
It can form four covalent bonds
It is always hydrophilic
It cannot form large molecules
