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CHEM 121 FINAL EXAM STUDY GUIDE SOLUTIONS UPDATED

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CHEM 121 FINAL EXAM STUDY GUIDE SOLUTIONS UPDATED kinetic molecular theory - ANSWER-all matter is made of tiny particles that are constantly moving fundamental particle - ANSWER-take a macroscopic object and divide it repeatedly. Eventually you have a particle, which, if further divided is no ...

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  • November 18, 2024
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CHEM 121 FINAL EXAM STUDY
GUIDE SOLUTIONS UPDATED

kinetic molecular theory - ANSWER✔✔-all matter is made of tiny particles that are

constantly moving


fundamental particle - ANSWER✔✔-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 - ANSWER✔✔-the fundamental particle of water is what?


atom - ANSWER✔✔-the basic unit of a chemical element


molecule - ANSWER✔✔-two or more atoms (same or different) chemically bound


element - ANSWER✔✔-fundamental particle contains only one kind of atom


compound - ANSWER✔✔-two or more different kinds of atoms chemically bound


the same - ANSWER✔✔-in a pure substance, all the fundamental particles are what?


solution - ANSWER✔✔-mixture that is uniform throughout


density - ANSWER✔✔-= mass / volume



Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 1/10

, atomic number - ANSWER✔✔-number of protons in the nucleus, defines the element


mass number - ANSWER✔✔-equal to the sum of protons and neutrons


isotope - ANSWER✔✔-what results when you change the number of neutrons in an

element?


atomic mass - ANSWER✔✔-weighted average of the masses of the isotopes of an

element, gives the mass of one atom of the element


alkali metals - ANSWER✔✔-group 1 on periodic table


alkali earth - ANSWER✔✔-group 2 on periodic table


halogens - ANSWER✔✔-group 17 on periodic table


properties of metals - ANSWER✔✔-good conductors of heat and electricity, malleable,

ductile, often shiny, tend to lose electrons in chemical change


properties of non metals - ANSWER✔✔-poor conductors of heat and electricity, not

ductile, not malleable, gain electrons in chemical change


avagadros number - ANSWER✔✔-6.022 x 10^23


ionic bond - ANSWER✔✔-bond between a nonmetal and a metal


covalent bond - ANSWER✔✔-bond between 2 or more nonmetals




Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 2/10

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