Cem 141 final exam 1 Study guides, Class notes & Summaries

CEM 141 Final Exam Questions and Answers Already Passed If one carbon wants 4 bonds, how many bonding orbitals can it have? A. 1 B. 2 C. 3 D. 4 D In graphite how many carbons is each carbon attached to? A. 2 B. 3 C. 4 D. 5 B How many orbitals should "mix" to form 3 bonds? A. 2 B. 3 C. 4 D. 5 B How many different compounds can you draw from C5H12? A. 2 B. 3 C. 4 D. 5 E. 6 B What is the formal charge on H for NH4+? A. +1 B. -1 C. +2 D. -2 ...

MSU CEM 141 FINAL EXAM WITH COMPLETE SOLUTIONS scientific question can be answered by doing experiments, making observation, taking measurements, etc. in a replicable way Lights acts as what? Particle and wave. scientific model drawing, graph, diagram, equation. represent many chemical entities. Wavelength The distance (m) of waves from peak to peak. Short: x-ray (red), long: infrared (blue) Short - higher energy Long - lower energy scientific theory A well tested concept t...

CEM 141 Final Exam Questions and Answers Already Passed 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 pa...

CEM 141 FINAL EXAM 2024 QUESTIONS WITH CORRECT ANSWERS!!

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 PASSED Exam Questions and CORRECT Answers What does Thompson's plum pudding model look like? - Correct ANSWERWhat does Dalton's billard ball model look like? - Correct ANSWERWhat does Rutherford's planetary model look like? - Correct ANSWEROut of Dalton's, Rutherford's and Thompson's model, which model would support the claim that "atoms are composed of mostly empty space"? - Correct ANSWER- Rutherford's planetary model

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...

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 Practice Quizzes & Ans (2024)

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