'Atomic number 79' diaporamas de présentation

ATOMS, MOLECULES, AND IONS

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Chapter 3 Atoms and Elements

Chapter 3 Atoms and Elements. 3.4 Atomic Number and Mass Number. Atomic Number. The atomic number is specific for each element is the same for all atoms of an element is equal to the number of protons in an atom appears above the symbol of an element. 11 Na. Atomic Number. Symbol.

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Gold

Gold. Presented By Elizabeth Fischbach. Periodic Table Information. Atomic Number 79 # electrons and protons 79 # neutrons 118 Mass Number 197 Aurum (Au) Means gold in Latin. Atomic Structure. Discovery. Know to Ancients Circa 3000BC. Physical Properties. Solid Odorless

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