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Life On earth began as the product of chemical reaction which occurred blank by chance
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In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust
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Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore
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An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d
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Life On earth began as the product of chemical reaction which occurred blank by chance...
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