AFOQT Physical Science Exam Questions and Answers All Correct
AFOQT Physical Science Exam Questions and Answers All Correct The lowest possible temperature - Answer-Absolut Zero The pressure exerted by the gases in the air. units of measurement are kilopascals, atmospheres, millimeters of mercury, and Torr - Answer-atmospheric Pressure Pressure is 100 kPa, 1atm, 760 mm Hg or 760 Torr - Answer-standard atmospheric pressure the smallest particle of an element a nucleus and its surrounding electrons. - AnswerAtom the mass of an atom measured in atomic mass units (amu). an atomic mass unit is equal to one-twelfth of the atom of carbon-12. atomic mass is now more generally used instead of atomic weight. Example: the atomic mass of chlorine is about 35amu. - Answer-atomic mass also known as proton number, it is the number of electrons or the number of protons in an atom. example: the atomic number of gold is 79. - Answer-atomic number a common term used to mean the average molar mass of an element. this is the mass per mole of atoms. Ex: the atomic weight of chlorine is about 35g/mol - Answer-atomic weight the temperature at which a substance undergoes a phase change from a liquid to a gas. - Answer-boiling point.
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