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John weighs 115 kg. Sally weighs 115 lb. Who is heavier of the two ?
Answers: 2
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Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.
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Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.
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The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes
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John weighs 115 kg. Sally weighs 115 lb. Who is heavier of the two ?...
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