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An atom of fuorine has an atomic number of 9 and an atomic mass of 19 how many protons neutrons and electrons does it have
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Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma
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An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
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An atom of fuorine has an atomic number of 9 and an atomic mass of 19 how many protons neutrons and...
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