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CHEM 121 Final Exam Study Guide Kinetic Molecular Theory Matter Fundamental Particle Atom Molecule Element Compound Solution Density Atomic Number Mass Number Isotope Atomic Mass Avogadro Number Mole Concept Molar Mass Io

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CHEM 121 Final Exam Study Guide Kinetic Molecular Theory Matter Fundamental Particle Atom Molecule Element Compound Solution Density Atomic Number Mass Number Isotope Atomic Mass Avogadro Number Mole Concept Molar Mass Ionic Bond Covalent Bond Alkali Metals Alkaline Earth Metals Halogens Properties of Metals Properties of Nonmetals Periodic Table Groups Ionic Compounds Naming Covalent Compounds Naming Percent Composition Empirical Formula Molecular Formula Precipitate Acid Base Electrolytes Pure Substance Heterogeneous Mixture Homogeneous Mixture |Exam Questions Verified and Provided with Complete A+ Graded Answers Latest Updated 2026 kinetic molecular theory all matter is made of tiny particles that are constantly moving fundamental particle take a macroscopic object and divide it repeatedly. Eventually you have a particle, which, if further divided is no longer the original substance. This smallest piece of the substance is called... h2o molecule the fundamental particle of water is what? atom the basic unit of a chemical element molecule two or more atoms (same or different) chemically bound element fundamental particle contains only one kind of atom compound two or more different kinds of atoms chemically bound the same in a pure substance, all the fundamental particles are what? solution mixture that is uniform throughout density = mass / volume atomic number number of protons in the nucleus, defines the element mass number equal to the sum of protons and neutrons isotope

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CHEM 121 Final Exam Study Guide Kinetic Molecular Theory
Matter Fundamental Particle Atom Molecule Element
Compound Solution Density Atomic Number Mass Number
Isotope Atomic Mass Avogadro Number Mole Concept Molar
Mass Ionic Bond Covalent Bond Alkali Metals Alkaline Earth
Metals Halogens Properties of Metals Properties of Nonmetals
Periodic Table Groups Ionic Compounds Naming Covalent
Compounds Naming Percent Composition Empirical Formula
Molecular Formula Precipitate Acid Base Electrolytes Pure
Substance Heterogeneous Mixture Homogeneous Mixture |Exam
Questions Verified and Provided with Complete A+ Graded Answers
Latest Updated 2026




kinetic molecular theory

all matter is made of tiny particles that are constantly moving




fundamental particle

take a macroscopic object and divide it repeatedly. Eventually you have a particle, which, if
further divided is no longer the original substance. This smallest piece of the substance is
called...




h2o molecule

the fundamental particle of water is what?

,atom

the basic unit of a chemical element




molecule

two or more atoms (same or different) chemically bound




element

fundamental particle contains only one kind of atom




compound

two or more different kinds of atoms chemically bound




the same

in a pure substance, all the fundamental particles are what?




solution

mixture that is uniform throughout




density

, = mass / volume




atomic number

number of protons in the nucleus, defines the element




mass number

equal to the sum of protons and neutrons




isotope

what results when you change the number of neutrons in an element?




atomic mass

weighted average of the masses of the isotopes of an element, gives the mass of one atom of
the element




alkali metals

group 1 on periodic table




alkali earth

group 2 on periodic table

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