Cem 141 final exam - Study guides, Class notes & Summaries

Why are alpha particles deflected by the nucleus? - Answer-Because both the alpha particles and the nucleus are positively charged and so the alpha particle is repelled. Is this statement (Dalton's Theory) true or false and why? "All atoms of an element are identical and have the same mass and properties." - Answer-False. Atoms of the same element can have different numbers of neutrons. What is the evidence that electrons are subatomic particles? - Answer-The nature of the electron is i...

CEM 141 Final Exam Questions And Answers Rated A+ New Update Assured Satisfaction

CEM 141 Final Exam Study Guide Questions And Answers Rated A+ New Update Assured Satisfaction

Why are alpha particles deflected by the nucleus? - Because both the alpha particles and the nucleus are positively charged and so the alpha particle is repelled. Is this statement (Dalton's Theory) true or false and why? "All atoms of an element are identical and have the same mass and properties." - False. Atoms of the same element can have different numbers of neutrons. What is the evidence that electrons are subatomic particles? - The nature of the electron is independent of the mat...

CEM 141 MSU Final Exam Questions And Answers Rated A+ New Update Assured Satisfaction

CEM 141 MSU Final Exam 2024 Questions With Complete Solutions.

CEM 141 MSU Final Exam Questions and Answers Already Passed Consider the question: Is there an attractive force between a pencil and the earth? Is this a scientific question? [Yes or No] Because III. It can be tested and answered through observations and experiments IV. The answer is already known and we find it online V. There is no way to design an experiment to answer this question. Yes because it can be tested and answered though observations and experiments Which of the fol...

CEM 141 MSU Final Exam UPDATED Exam Questions and CORRECT Answers Yes because it can be tested and answered though observations and experiments - Correct ANSWER- Consider the question: Is there an attractive force between a pencil and the earth? Is this a scientific question? [Yes or No] Because III. It can be tested and answered through observations and experiments IV. The answer is already known and we find it online V. There is no way to design an experiment to answer this question

CEM 141 FINAL EXAM QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

-️️Which diagram shows molecules of a compound? I, III -️️Thomson's experiment allowed him to make the claim that all atoms have a sub structure and contain smaller particles (electrons) embedded in the structure of the atom. What evidence and reasoning allowed him to make this claim? Evidence: I. Electrons were ejected from the cathode, regardless of what metal the cathode was made of. II. Electrons were bent by magnetic and electric fields Reasoning: III. Since the particles a...