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12 Cards in this Set
- Front
- Back
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What do all nonmetals have in common?
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gain electrons, poor conductor of heat, poor conuctor of energy, brittle like solid, nonmetalic color
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The atomic number of Oxygen is 8. How many electrons would O 2- have?
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10 electrons
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What is a cation?
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a positively charged ion
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What is the octet rule?
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atoms will lose, gain, or share electrons in order to achive a full set of 8 valence electrons
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In a modern periodic table, elements are arranged in order of?
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atomis masses and atomic numbers
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An element that is shiny and conducts electricity is likely to be a?
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metal
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The most reactive metals, which are soft and silvery-white are the
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first colum of the perdiodic table
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How many meters are in a hectometer?
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100 meters
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How many grams are in 4 kilograms if 1 kilogram = 1000 grams?
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4,000 grams
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Why are noble gases so unreactive?
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to get a full outer shell of electrons either by gaining, loosing, or sharing electrons.
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The pull of an atom on another atom’s electrons is known as what?
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K shell
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Why does ionization energy increase as you move across the periodic table from left to right?
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The ionization energy is the energy it requires to remove an electron from an atom
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