Isotopes and Atomic Mass
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Topics
- Isotopes
- Atomic Mass
Description
Are all atoms of an element the same? How can you tell one isotope from another? Use the sim to learn about isotopes and how abundance relates to the average atomic mass of an element.
Sample Learning Goals
- Define “isotope” using mass number, atomic number, number of protons, neutrons and electrons.
- Given information about an element, find the mass and name of an isotope.
- Give evidence to support or dispute: “In nature, the chance of finding one isotope of an element is the same for all isotopes.”
- Find the average atomic mass of an element given the abundance and mass of its isotopes.
- Predict how the mass and name of an isotope will change given a change in the number of protons, neutrons or electrons.
- Predict how the average atomic mass of an element changes given a change in the abundance of its isotopes.
Version 3.02
Teacher Tips
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Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). |
Teacher-Submitted Activities
| Isotopes & Atomic Mass-Inquiry Activity |
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Trish Loeblein | UG-Intro HS |
Remote Lab Demo HW |
Earth Science Chemistry |
| Concept questions for Physics using PhET (Inquiry Based) |
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Trish Loeblein | UG-Intro HS |
MC | Physics |
| Using PhET in High School Chemistry- all my activities in pdf |
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Trish Loeblein | HS UG-Intro |
HW Demo Lab |
Chemistry |
| Concept Questions for Chemistry using PhET |
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Trish Loeblein | HS UG-Intro MS |
MC | Chemistry |
| Isotopes and Atomic Mass - Clicker Questions |
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Yuen-ying Carpenter, Robert Parson, Trish Loeblein | UG-Intro | MC | Chemistry |
| Isotopes and Atomic Mass - Guided Inquiry Activity |
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Timothy Herzog | UG-Intro | Guided | Chemistry |
| Exploring Average Atomic Mass |
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Stephanie Davis | HS | Lab | Chemistry | |
| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | Earth Science Biology Chemistry Physics |
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| PhET Sims Aligned to the Chemistry Curriculum |
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Julia Chamberlain | UG-Intro HS |
Other | Chemistry | |
| MS and HS TEK to Sim Alignment | Elyse Zimmer | HS MS |
Other | Biology Chemistry Physics |
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| Mapping of PhET and IBDP Physics | Jaya Ramchandani | HS | Other | Physics | ||
| Isotopes | Corrin Funnell | HS | Guided | Chemistry Physics |
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| Modeling Relative Atomic Mass | Roberto Marrero | UG-Intro HS |
Lab HW |
Chemistry | ||
| Modeling Isotopes | Roberto Marrero | MS HS |
Lab HW |
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| 동위원소와 원자량 SIM 사용지침서 | 이화국(Wha Kuk Lee) | MS HS |
Demo Other |
Chemistry Physics |
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| Isótopos y Masa Atómica: Actividad de Consulta Guiada | Timothy Herzog (traducción por Mayra Tavares) | UG-Intro | Guided | Chemistry | ||
| Isótopos y masa atómica | Amaya Garcia-Barahona | HS | Guided Lab HW |
Chemistry |
| Design Team | Third-party Libraries | Thanks To |
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