 , 12.11.2019 04:31, achewitt3965

# Atoms with the same number of protons but different numbers of neutrons are 1) different elements 2) isotopes of the same element 3) isotopes of different elements 4) ions   ### Other questions on the subject: Physics Physics, 21.06.2019 18:00, jr101213
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Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
Do you know the correct answer?
Atoms with the same number of protons but different numbers of neutrons are

1) different...

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