Which object has the most thermal energy? O A. A 6 kg rock at 15°C
O B. A 10 kg rock at 15°C
O C. A6 kg rock at 10°C
O D. A10 kg rock at 10°C
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These models show the electron structures of two different nonmetal elements. which element is likely more reactive, and why? element 1 is more reactive because it has fewer electron shells and is toward the top of its group on the periodic table. element 1 is more reactive because it has more electrons in its valence shell and is farther to the right on the periodic table. element 2 is more reactive because it does not have a valence shell close to the nucleus, so it will attract electrons. element 2 is more reactive because it does not have a full valence shell, so it will attract electrons.

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above