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Chemistry, 29.09.2019 21:00, alexis3744
Fifteen grams of a liquid plastic are frozen in a physical change that increases the volume. what can be known about the plastic after the change?
it will weigh more than 15 grams.
it will have an increased density.
it will still weigh 15 grams.
it will still have the same density.
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Answers: 2
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Chemistry, 23.06.2019 05:30, moraaa83egdjr
The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table? atom p has an estimated zeff of 7 and is therefore to the left of atom q, which has a zeff of 6. atom p has an estimated zeff of 7 and is therefore to the right of atom q, which has a zeff of 6. atom p has an estimated zeff of 5 and is therefore below atom q, which has a zeff of 4. atom p has an estimated zeff of 5 and is therefore above atom q, which has a zeff of 4.
Answers: 3
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Fifteen grams of a liquid plastic are frozen in a physical change that increases the volume. what ca...
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