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Elements in the same group have similar properties because they
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A. need the same number of electrons to fill their valence shells
B. have the same number of valence electrons
C. have the same number of electrons
D. have the same number of electron shells
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Physics, 22.06.2019 05:00
At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2iā4jā2k. find an equation for the position vector of the particle.
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Physics, 22.06.2019 07:40
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
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Physics, 22.06.2019 14:30
A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.
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Elements in the same group have similar properties because they
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Mathematics, 14.09.2019 11:20
Physics, 14.09.2019 11:20
Physics, 14.09.2019 11:20
History, 14.09.2019 11:20