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

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...

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CHEM 120 Week 8 Final Exam (100% Correct) Questions and Answers

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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 Week 8 Final Exam Questions-Answers (Actual EXAM 2023) GUARANTEED PASS he shape of a carbon dioxide molecule is _____. Question (TCO 4) Which of the following substances does not have polar covalent bonds? Question (TCO 8) According to the Bronsted-Lowry definition, which chemical in the following reaction is the acid? Question (TCO 8) According to the Bronsted-Lowry definition, which chemical in the following reaction is the base? Question (TCO 12) Which nucleic acid carries...

Chem 120 Final Exam

CHEM 120 FINAL EXAM (PRACTICE PROBLEMS) QUESTIONS WITH 100% CORRECT ANSWERS

Chem 120 final exam 114 questions with 100% correct answers Latest Updated Chem 120 final exam 114 questions with 100% correct answers Latest Updated Chem 120 final exam 114 questions with 100% correct answers Latest Updated

significant figures a digit that is either reliably known or closely estimated Significant Figure Rules 1. All non-zero digits are always significant 2. Zeroes between non-zero digits are always significant 3. Zeroes to left of first non-zero digit (either before or after decimal point) are never significant 4. Zeroes to the right of last non-zero digit a. after decimal point are always significant b. which are before decimal point are not significant conversion factor relationship...