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Electron Clouds Major energy level Maximum number of electronsK 2 electrons L 8 electrons M 18 electrons N 32 electrons O 32 electrons P 18 electrons Q 2 electrons
Atomic Number Atomic Number Number of Protons in the NucleusAtomic Mass Average weight of an element’s atom
Carbon Dioxide Molecule
Sodium Chloride molecule
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Isotopes Atoms of the same element that have different numbers of neutrons in the nucleus
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LEARNING ABOUT ATOMS BY READING THE PERIODIC TABLE.
An atom –smallest basic unit of matter
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PROTON Proton: the positively charged particle found in the nucleus of an atom.
Atomic Structure and the Periodic Table
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Atom The basic building block of all matter. Greek for átomos: undivided Material from:
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CHEMISTRY PART 1 Atoms and The Periodic Table. Definitions Chemistry: The study of the structure and properties of matter. Element: A substance.
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Atomic Number- the number of protons in the nucleus of an atom of that element Ex: Hydrogen atoms have only one proton in the nucleus, so the atomic.
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The Atom The smallest particle into which an element can be divided and still retain all of the properties of that element.
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