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leticiazsilva leticiazsilva
  • 12-05-2024
  • Chemistry
Answered

Select the best answer for the question.
20. What's mass?
O A. A measure of the amount of matter an object contains
O B. The force that gravity exerts upon an object
O C. The sum of the number of protons and neutrons in an atom
OD. A measure of an element's attraction for electrons

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