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CHM 1025 Exam Review (ch.1-ch.4) 2024/2025 Questions With Completed & Verified Solutions.
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CHM 1025 Exam Review (ch.1-ch.4) 2024/2025 Questions With Completed & Verified Solutions.
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CHM 1025 Exam Review (ch.1-ch.4)
Matter - ANS anything that has mass and takes up volume
Atom - ANS the fundamental units of matter
Molecule - ANS a group of atoms that bind tightly together and behave as a single unit
potential energy - ANS stored energy
kinetic energy - ANS energy of motion
Hypothesis - ANS a tentative explanation that has not been tested
Theory - ANS how or why it happens
scientific law - ANS what happens
characteristics of a solid - ANS definite shape and volume
characteristics of a liquid - ANS definite volume, no definite shape, adopt the shape of their
container
characteristics of a gas - ANS no definite shape or volume, expand to fill their container
phase changes: - ANS freezing, condensation, vaporization, melting, sublimation, deposition
Element - ANS a pure substance made of only one type of atom
Compound - ANS a substance made of more than one element bound together in a fixed ratio
homogeneous mixture - ANS components mix evenly
heterogeneous mixture - ANS components do not mix evenly
Physical Changes in Matter - ANS composition does not change
chemical change - ANS composition does change
SI units - ANS kilogram (k), meter (m), second (s), kelvin (k), mole (mol)
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