Mercury has an atomic number of 80 and a mass number of 200.
how many neutrons are in on...
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Chemistry, 22.06.2019 01:00
Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.
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Chemistry, 22.06.2019 17:30
In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
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In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas
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Chemistry, 23.06.2019 05:40
Why is it incorrect to balance a chemical equation by changing the subscripts? explain.
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