Physics, 25.09.2019 05:00 bluetigerbird2117
If element x has 88 protons, how many electrons does it have
Answers: 1
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What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons
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Physics, 22.06.2019 02:30
Which feature of a heating curve indicates a change ofn state
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Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?
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Physics, 22.06.2019 10:00
Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
If element x has 88 protons, how many electrons does it have...
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