Kadencehm1653 Kadencehm1653
  • 25-01-2022
  • Chemistry
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An atom × has a proton number of 19 and relatives atomic mass of 39

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saniasultan9457
saniasultan9457 saniasultan9457
  • 25-01-2022

Answer:

Thats potassium (k)

Explanation:

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