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The top documents tagged [atomic mass rounded]
Chapter 6.1 DEVELOPMENT OF THE MODERN PERIODIC TABLE
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A. What is Matter? Matter is anything that has mass. *All matter is made up of atoms!
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Classifying Matter Science 7—Chapter 10—Lesson 1 Lecture Notes May 12, 2015
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Atomic Structure Notes Everything is made of atoms. Atoms are the smallest part of matter. Atoms are made up of 3 subatomic particles (particles smaller
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