Chem 120 final exam 2025 - Study guides, Class notes & Summaries

CHEM 120 FINAL EXAM /CHEM120 WEEK 8 FINAL EXAM LATEST ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS|AGRADE

CHEM-120 CHAMBERLAIN FINAL EXAM | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Chemistry - Answer -The study of the properties of matter and how matter changes Basic Unit in Chemistry - Answer -atom Types of Chemistry - Answer -Green Chemistry Sustainable Chemistry green chemistry - Answer -uses materials and processes that are intended to prevent or reduce pollution at its source replacing rare hazardous with more abundant less hazardous Example of green chemi...

CHEM 120 Final Exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass B - Answer -How many bonds can nitrogen have? Which rule or principle should be used? A) Five bonds; octet rule. B) Three bonds; octet rule. C) Three bonds; the Hund's rule. D) Five bonds; the Aufbau Principle. C - Answer -When two hydrogen atoms meet, they will attract to each other and form a bond (and a H2 molecule). Why? A) Because electrons like to stay together. B) Because electrons li...

Chem 120 Final Exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass molecular mass (molecular weight) - Answer -the sum of the atomic masses, in atomic mass units, of all the atoms in the formula of a compound empirical formula - Answer -a chemical formula showing the ratio of elements in a compound rather than the total number of atoms Avogadro's number (Mole) - Answer -6.02 x 10^23 proton - Answer -A subatomic particle that has a positive charge and that is ...

Chem 120 final exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass What is the correct order of melting points for the following alkanes, from highest to lowest temperature? - Answer -heptane > hexane > ethane > methane 2. Given an alkane that contains 25 carbon atoms. How many hydrogen atoms are present in its structure? a) - Answer -) 52 3. Which of the following properly describes constitutional (structural) isomers? - Answer -compounds with the same ...

CHEM 120 FINAL EXAM | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ ionic compounds - Answer --deals with charged particles -oppositely charged particles are attracted to each other -look for presence of metals and polyatomic ions molecular compounds - Answer --share electrons -nonmetals -no polyatomic ions unless its an acid Type I metals - Answer --ionic compounds -group 1A,2A,3A -one type of charge state -Name of metal +ion -if metal+nonmetal: name of meta...

chem 120 final exam study guide | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ chemistry - Answer -the science that tries to understand how matter behaves by studying how atoms and molecules behave scientific method - Answer -ways of learning that emphasizes observation and experimentation (self correcting) observation - Answer -we go out in nature and ask questions we measure or observe some aspect of nature hypothesis - Answer -tentative interpretation of an ob...

Chem 120 final exam 114 questions with 100% correct answers Latest Updated 2024/2025.Chem 120 final exam 114 questions with 100% correct answers Latest Updated 2024/2025.Chem 120 final exam 114 questions with 100% correct answers Latest Updated 2024/2025.

CHEM-120 CHAMBERLAIN FINAL EXAM-Questions with Correct Answers/ Verified/ Latest Update (2024/2025)