'Atomic numbers mass numbers' diaporamas de présentation

Atoms, Molecules and Ions

Atoms, Molecules and Ions. Atoms. Each element composed of atoms All atoms of a given element are identical Atoms of an element are not changed during a chemical reaction (the atoms just move from one chemical species to another) Compounds are formed when atoms of more than 1 element combine.

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CHAPTER 2

CHAPTER 2. Atoms, Molecules and Ions. Atoms. Each element composed of atoms All atoms of a given element are identical Atoms of an element are not changed during a chemical reaction (the atoms just move from one chemical species to another)

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Chapter 3

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