CHEM 101 UNIT 1: Introductory General Chemistry
Test With Questions (New Version 2024-25) &
Complete Solutions
matter - ✔✔anything that has mass and occupies space
mixture - ✔✔a combination of two or more pure substances in which each substance
remains its own identity
organic chemistry - ✔✔the study of matter that is comprised principally of carbon and
hydrogen
physical chemistry - ✔✔a discipline that attempts to explain the way in which matter
behaves
pure substances - ✔✔a substance that only has one component
scientific law - ✔✔nothing more than one summary of a large quantity of information
scientific method - ✔✔a systematic approach to the discovery if new information
solid state - ✔✔a physical state of matter characterized by its rigidity and foxed volume and
shape
theory - ✔✔a hypothesis supported by extensive testing that explains scientific facts and can
predict new facts
, density - ✔✔a the ratio of mass to volume
kinetic energy - ✔✔the energy of motion
mass - ✔✔describes the quantity of matter in an object
potential energy - ✔✔the energy of portion of stored energy
specific gravity - ✔✔the ratio if the density of the object in question to the density of pure
water at 4 degrees C
temperature - ✔✔the degree pf the "hotness" of an object
volume - ✔✔the space occupied by an object
atom - ✔✔the smallest unit of an element that retains the chemical properties of that
element
covalent bond - ✔✔a bond involving the sharing of electrons to complete the octet of
electrons for each of the atoms participating in the bond
electron affinity - ✔✔energy released when a single electron is added to an isolated atom
ionic bond - ✔✔a bond involving a transfer of one or more electrons from one atom to
another
ionization energy - ✔✔the energy required to remove an electron from an isolated atom
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