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Chapters 1 & 2

INTRO TO COLLEGE CHEMISTRY-CHM 2025
PROF. LONGMIRE-PEREZ, M.S.
Across
The SI standard unit of time.
The non-place holding digits in a reported measurement.
Mass divided by volume, commonly expressed in g/cm3, g/mL, or g/L.
A theory stating that all matter is composed of tiny particles called atoms.
The science that seeks to understand the behavior of matter by studying what atoms and molecules do.
A law stating that in a chemical reaction, matter is neither created nor destroyed.
Any unit of length when cubed.
The way scientists learn about the natural world and involves observations, laws, hypotheses, theories, and experiments.
A procedure that attempts to measure observable predictions to test a theory or law.
The SI standard unit of length.
Down
Must measure or describe something about the physical world.
A number that consists of a decimal part and an exponential part.
Presents a model of the way nature works and predicts behavior that extends well beyond the observations and laws from which it was formed.
A tentative explanation for an observation or a scientific problem that can be tested.
A factor used to convert between two separate units.
Summarizes past observations and predicts future ones; usually formulated from a series of related observations.
A unit of volume that equals 1.057 quarts.
The SI standard unit of mass.
The set of standard units agreed on by scientists throughout the world.
A measure of the quantity of matter within an object.