Cem 141 final - Study guides, Class notes & Summaries

CEM 141 Final Exam Practice Quizzes & Ans (2024)

CEM 141 Final Exam UPDATED Exam Questions and CORRECT Answers Why are alpha particles deflected by the nucleus? - Correct 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." - Correct ANSWER- False. Atoms of the same element can have different numbers of neutrons.

What does Thompson's plum pudding model look like? Ans: What does Dalton's billard ball model look like? Ans: What does Rutherford's planetary model look like? Ans: Out of Dalton's, Rutherford's and Thompson's model, which model would support the claim that "atoms are composed of mostly empty space"? Ans: Rutherford's planetary model "Does the planet Venus have phases (for example full or quarter) like the moon?" Is this question a scientific question? Ans: Yes, becaus...

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

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 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 Cumulative Final - Questions with Explanations of Answers Latest Update 2024

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

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