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Atomic Number
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Proton #
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Atomic Mass
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Proton + Neutron
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Alkali Metals
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Li, Na, K, Rb, Cs, Fr
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Halogens
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F, Cl, Br, I, At
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Metals
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Rep Metals
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Noble Gas
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Short Hand
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Last Configuration (EnergyLevel)(Orbital)(Orbital Shape)
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S
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2
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P
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6
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D
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10
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F
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14
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1S
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2S 2P
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3S 3P 3D
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4S 4P 4D 4F
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5S 5P 5D 5F
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6S 6P 6D
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7S 7P
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Hint: Group 1-2 & Helium
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= S
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Hint: Group 3-12
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= D
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Hint: Group 13-18
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= P
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Hint: Bottom 2 Rows
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= F
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D=
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1# below S
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F=
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2# below S
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D=-1
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F=-2
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Step 1:
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Locate Element
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Step 2:
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Find Noble Gas comes before & Bracket
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Step 3:
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Count Normally from there
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Throughout
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Sig Fig
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Step 1
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Mass X Abundance
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Step 2
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Repeat Step 1
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Step 3
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Add both
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State Hand's Rule
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Electron Orbital Fill
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Fill
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Lowest First
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Arrows
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opposite direction
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First Level
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S: Max 2
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Second Level
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S,P: 2+6= Max 8
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Third Level
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S,P,D: 2+6+ 10 = Max 18
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Fourth Level
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S,P,D, F: 2+6+ 10 + 14= Max 32
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Electron Affinity
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Chance of picking up Electron
|
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