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Aneutral atom of potassium (k) has an average mass of 39 amu and 19 electrons. how many neutrons does it have?
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Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?
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What effects result when there is an impact between earth and an asteroid? check all that apply. a. massive flooding. b. extinction of many life forms. c.major earthquakes change in average global temperature. d. giant dust cloud
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Physics, 22.06.2019 17:00, Gabriel134
Two conductors, a and b, are each in the shape of a tetrahedron. but of different sizes. they are charged in the following manner: 1. tetrahedron a is charged from an electrostatic generator to charge q. 2. tetrahedron a is briefly touched to tetrahedron b. 3. steps 1 and 2 are repeated until the charge on tetrahedron b reaches a maximum value. if the charge on tetrahedron b was q/4 after the first time it touched tetrahedron a. what is the final charge qbmax on tetrahedron b?
Answers: 2
Physics, 22.06.2019 17:30, etaylor3421
Frequency of electromagnetic waves that a radio station is assigned is called
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Aneutral atom of potassium (k) has an average mass of 39 amu and 19 electrons. how many neutrons doe...
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