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Periodic Table Basics “Your cheat sheet”
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On the element card/ box
Atomic number (Atomic # = p= e) Chemical symbol Atomic name Atomic mass (round to whole number) 6 C Carbon 12.0
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For each element Name What are they Where are they How to determine
Protons Positive particles Nucleus of the atom Same as the atomic number
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For each element Name What are they Where are they How to determine
Protons Positive particles Nucleus of the atom Same as the atomic number Electrons Negative particles Outside of the nucleus Same as the number of protons
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For each element Name What are they Where are they How to determine
Protons Positive particles Nucleus of the atom Same as the atomic number Electrons Negative particles Outside of the nucleus Same as the number of protons Neutrons Neutral particles Mass number – atomic number
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Valence electrons
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For each element Name What are they Where are they How to determine
Protons Positive particles Nucleus of the atom Same as the atomic number Electrons Negative particles Outside of the nucleus Same as the number of protons Neutrons Neutral particles Mass number – atomic number Valence electrons Outermost electrons Outermost ring / farthest from the nucleus Groups 1, 2: same as group number Groups 13-18: Group # - 10
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