DIVE ICP Definitions for Quarterly Exam 1 Study Guide.
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Course
Icp
Institution
Icp
DIVE ICP Definitions for Quarterly Exam 1
Study Guide.
Atom - answerThe smallest unit of elements, made up of electrons surrounding the nucleus of
protons and neutrons.
element - answerA pure chemical substance made up of only one type of atom. It cannot be
broken down into simpler substances,...
mixtures - answer✔Two or more pure substances that are mixed together, and not chemically
bonded.
homogenous mixture - answer✔A mixture that has a uniform composition.
heterogeneous mixture - answer✔A mixture in which the different ingredients are identifiable.
colloids - answer✔A mixture in which one substance made up of very small particles is
dispersed throughout another substance.
Tyndall effect - answer✔Light will not be dispersed when passing through a liquid or solution,
but it will be dispersed by the particles suspended in a colloid or suspension.
suspension - answer✔A heterogeneous mixture, that differs from a solution in that it contains
particles that are not permanently suspended, and will eventually settle out of.
Law of definite proportions - answer✔A compound is always composed of the same elements, in
the same ratios. A compound's chemical formula does not change.
electrons - answer✔Particles that are smaller than protons or neutrons, they have a negative
charge.
nucleus - answer✔The dense central area of an atom, where the protons and neutrons are located.
protons - answer✔Particles that carry a positive charge; the number of protons distinguishes one
element from another.
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