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Physics, 22.06.2019 21:00, cici65360
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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Physics, 23.06.2019 07:30, linacelina6027
For two variables in a direct proportion, what is the result of doubling one variable?
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A skydiver reaches an instantaneous velocity of 49 meters per second before opening his parachute ho...
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