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Physics, 22.06.2019 14:30
Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2
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Physics, 22.06.2019 21:00
What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.
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Based on details in the riddle of the rosetta stone, which statement best describes jean-baptiste fourier’s influence on jean-françois champollion?
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Which stable element is used to determine the age of volcanic rock? a- argon b- carbon-14 c- potassium d- carbon-12
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