24. What does the atomic number tell you about an atom? What does the mass number tell you about an atom?

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Ascientific blank must be testable and capable of being proven false?

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is

Convection occurs when thermal energy is transferred by the movement of