Chemistry, 21.11.2019 18:31 PinkDivaGirl02

5. which of the following statements is not true?
the nucleus of an atom has a positive charge.
atoms of the same element can have different masses.
atoms of isotopes of an element have different numbers of protons.
atoms are mostly empty space.

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5. which of the following statements is not true?
the nucleus of an atom has a positive charge...