Honors Chem Test #1 2025 Questions and Answers

Honors Chem Test #1 2025 Questions
and Answers


Explain the concept of Kinetic Molecular Theory. - ANSWER-Particles of matter

are always in motion, and The kinetic energy (speed) of these particles increases as

temperature increases.

what are the four states of matter. - ANSWER-Solids, Liquids, Gases, and Plasma

Solids have a _____ shape and volume - ANSWER-fixed

Liquids have a _____ shape and a ____ volume - ANSWER-fixed shape and

variable volume

Gases have a _____ shape and volume - ANSWER-variable shape and volume

Plasma has a _____ shape and volume - ANSWER-gas-like, variable shape and

volume

what makes up an element? - ANSWER-an element is composed of identical

atoms

what makes up an Compound - ANSWER-a compound is composed of 2 or more

elements in a fixed ratio



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, (properties differ from those of individual elements)

Whats a mixture - ANSWER-a Mixture is a variable combination of 2 or more

pure substances.

What is a heterogeneous mixture? - ANSWER-A mixture where the substances are

distinct and easily identified

what makes up a solution mixture - ANSWER-A solution is homogeneous,

it has very small particles,

and the particles don't settle

what makes up a Colloid mixture - ANSWER-a colloid is

heterogeneous

it has medium-sized particles

and the particles don't settle

what makes up a suspension mixture - ANSWER-a suspension is

heterogeneous

it has large particles

and the particles settle




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