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Chem142 Unit 1 Exam 2025 Questions and Answers
Chem142 Unit 1 Exam 2025 Questions and Answers
Course:
Chem 142
Institution:
Chem 142
Chem142 Unit 1 Exam 2025 Questions and Answers
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| Uploaded on: | September 15, 2025 |
| Last updated: | September 15, 2025 |
| Number of pages: | 16 |
| Written in: | 2025/2026 |
| Type: | Exam (elaborations) |
| Contains: | Questions & Answers |
| Tags: | Chem142 Unit 1 Exam 2025 Questions and Answers |
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Chem142 Unit 1 Exam 2025 Questions and Answers nucleus - --CORRECT ANSWER--compromised of protons and neutrons. All the positive charge and most of the mass are concentrated in it and us surrounded by a large volume of nearly empty space that makes up the rest of the atom. atomic number - --CORRECT ANSWER--the number of protons is the same for the atoms of a given element. mass number - --CORRECT ANSWER--the number of protons and neutrons isotopes - --CORRECT ANSWER--atoms with the same number of protons but different namer of neutrons wavelength - --CORRECT ANSWER--the distance between two consecutive peaks in the wave frequency - --CORRECT ANSWER--the number of waves or cycles that pass a given point in a space per second ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1