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Physics, 22.06.2019 06:30
If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.
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Physics, 22.06.2019 06:30
Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.
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What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?
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Physics, 22.06.2019 11:10
Which situation will produce the greatest change of momentum
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Location A is near the equator on the windward side of a mountain. Location B is at 30N latitude on...
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