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# Atomic Mass Unit

## Standard unit based on Carbon-12, 1.66 x 10^27 kg

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Atomic Mass Unit

Defines atomic mass unit.

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## 4.18 Atomic Mass Unit

Defines atomic mass unit.

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• Video

## Atomic Mass Units

by Lizzie Chun //basic

A video on atomic mass units. Courtesy of The Fuse School

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## Atomic Mass Units Quiz

Reviews the definition of atomic mass unit.

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• Practice
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## Atomic Mass Unit Practice

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To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.

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• Real World Application

## Origins of the AMU

It seems the SI units of measurement have existed forever, and it is used to define things around the world. But how do you define the definers?

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• Real World Application

## I-See-Tope

Learn about how the atomic mass unit helps us determine an element's isotopes.

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• Real World Application

## A More Specific ID

Covers the determination of atomic mass unit.

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• Study Guide

## Atomic Mass Unit and Calculating Atomic Mass

by Charles Yu //basic

A guide to atomic mass units and calculating atomic mass.

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## What is the Atomic Mass Unit?

A brief article on atomic mass units.

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• Flashcards

## Atomic Mass Unit

by Tiffany Kwok //basic