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Chem 142 UW exam 1 2025 Questions and Answers
Chem 142 UW exam 1 2025 Questions and Answers
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Chem 142
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Chem 142
Chem 142 UW exam 1 2025 Questions and Answers
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| Uploaded on: | September 15, 2025 |
| Last updated: | September 15, 2025 |
| Number of pages: | 18 |
| Written in: | 2025/2026 |
| Type: | Exam (elaborations) |
| Contains: | Questions & Answers |
| Tags: | Chem 142 UW exam 1 2025 Questions and Answers |
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Chem 142 UW exam 1 2025 Questions and Answers The atom - --CORRECT ANSWER--Consists of a small nucleus with a positive charge containing most of the weight. Has an electron cloud with mostly empty space but some electrons as well Protons - --CORRECT ANSWER--The chemical identity of the element Electrons - --CORRECT ANSWER--Ionic character of atom Neutrons - --CORRECT ANSWER--Isotopic character of the atom Atomic number (Above element on PT) represents... - --CORRECT ANSWER-Number of protons Mass number represents... - --CORRECT ANSWER--Sum of protons and neutrons Atomic mass (Under element on PT) represents... - --CORRECT ANSWER--An average of the atomic masses of common isotopes Isotope - --CORRECT ANSWER--An elements with the same number of protons but different neurons and therefore different atomic masses (12^C, 13^C, 14^C) ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1