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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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intensive properties
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properties independent of quantity of subatance
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density, color, hardness
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extensive properties
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properties dependant on quantity od substance
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mass, volume
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Periodic Table: group 1A
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Alkali metals
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Li, Na, K, Rb, Cs, Fr
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Periodic Table: group 2A
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Alkali-earth metals
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Be, Mg, Ca, Sr, Ba, Ra
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Periodic Table: group 7A
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halogens
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Fl, Cl, Br, I, At
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Periodic Table: group 8A
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noble gasses
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He, Ne, Ar, Kr, Xe, Rn
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Diatomic molecules
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Br, I, N, Cl, H, O, F
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atomic number (z)
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number of protons in an atoms nucleus
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mass number (A)
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number of protons (z) + number of neutrons (N)
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isotopes
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atoms with identical atomic numbers but different mass numbers (different number of neurons)
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how to calculate # of neutrons in an atom/ isotope
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mass number (superscript) - atomic number (subscript)
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