evelinpalmapastor
evelinpalmapastor evelinpalmapastor
  • 13-09-2022
  • Biology
contestada

which of the following statements is incorrect?
a. isotopes have the same atomic number and different mass number
b. atoms have about the same number of electrons as proto
c. all molecules consists of atoms.
d. free radicals are dangerous because thru emit energy.​

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