Physics, 12.10.2019 00:50 rjsimpson73
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. given this information, how many
electrons does it have? how many protons and neutrons does this atom have?
Answers: 2
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Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?
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Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?
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The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island
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When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?
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An atom of sodium-23 (atomic number = 11) has a positive charge of +1. given this information, how m...
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