Anatomy and Physiology 1: Exam 2 Questions
and Answers
Matter - ✅✅anything that takes up space and has mass
Mass - ✅✅amount of matter present
Weight - ✅✅heaviness due to gravitational pull on mass
Chemistry - ✅✅studies composition, properties, interaction of matter
Biochemistry - ✅✅biological chemistry, which studies physiological processes and disease
Elements - ✅✅simplest types of matter with certain chemical properties
Compounds - ✅✅chemical combinations of different elements
Atoms - ✅✅smallest particles of an element that have a properties of that element.
Bulk elements - ✅✅required by the body in large amounts (C,O,H,N,S,P)
Trace elements - ✅✅required by the body in small amounts (Fe, I)
Ultratrace elements - ✅✅required by the body in very minute amounts (As)
Protons - ✅✅large particles; carry a single positive charge
Neutrons - ✅✅large particles; carry no electrical charge
, Electrons - ✅✅small particles; carry a single negative charge
Atomic number - ✅✅Number of protons in the nucleus of an atom of a specific element
Mass number - ✅✅number of protons plus the number of neutrons
Isotopes - ✅✅atoms with the same atomic numbers but with different mass numbers
Atomic weight - ✅✅the average of the mass numbers of all its isotopes.
Molecule - ✅✅particle formed when two or more atoms chemically combine
Compound - ✅✅particle formed when two or more atoms of different elements chemically combine
Molecular formulas - ✅✅depict the elements present and the number of each atom present in the
molecule
Ion - ✅✅an electrically charged atom that gains or loses electrons to become stable
Cation - ✅✅a positively charged ion, formed when an atom loses electrons
Anion - ✅✅a negatively charged ion, formed when an atom gains electrons
Ionic bonds - ✅✅strong chemical bonds formed when ions of opposite charge attract
Covalent bonds - ✅✅strong chemical bonds, formed between atoms that share electrons
and Answers
Matter - ✅✅anything that takes up space and has mass
Mass - ✅✅amount of matter present
Weight - ✅✅heaviness due to gravitational pull on mass
Chemistry - ✅✅studies composition, properties, interaction of matter
Biochemistry - ✅✅biological chemistry, which studies physiological processes and disease
Elements - ✅✅simplest types of matter with certain chemical properties
Compounds - ✅✅chemical combinations of different elements
Atoms - ✅✅smallest particles of an element that have a properties of that element.
Bulk elements - ✅✅required by the body in large amounts (C,O,H,N,S,P)
Trace elements - ✅✅required by the body in small amounts (Fe, I)
Ultratrace elements - ✅✅required by the body in very minute amounts (As)
Protons - ✅✅large particles; carry a single positive charge
Neutrons - ✅✅large particles; carry no electrical charge
, Electrons - ✅✅small particles; carry a single negative charge
Atomic number - ✅✅Number of protons in the nucleus of an atom of a specific element
Mass number - ✅✅number of protons plus the number of neutrons
Isotopes - ✅✅atoms with the same atomic numbers but with different mass numbers
Atomic weight - ✅✅the average of the mass numbers of all its isotopes.
Molecule - ✅✅particle formed when two or more atoms chemically combine
Compound - ✅✅particle formed when two or more atoms of different elements chemically combine
Molecular formulas - ✅✅depict the elements present and the number of each atom present in the
molecule
Ion - ✅✅an electrically charged atom that gains or loses electrons to become stable
Cation - ✅✅a positively charged ion, formed when an atom loses electrons
Anion - ✅✅a negatively charged ion, formed when an atom gains electrons
Ionic bonds - ✅✅strong chemical bonds formed when ions of opposite charge attract
Covalent bonds - ✅✅strong chemical bonds, formed between atoms that share electrons
