21master 21master
  • 03-02-2021
  • Physics
contestada

Which of the following elements has a mass number of 19 and contains 10 neutrons?
A. potassium (K)
B. neon (Ne)
O c. fluorine (F)
D. copper (Cu)

Respuesta :

messiah13carmelo
messiah13carmelo messiah13carmelo
  • 03-02-2021
D cause I took the test
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