abenezerh994
abenezerh994 abenezerh994
  • 04-06-2021
  • Chemistry
contestada

an atom has 19 protons and 20 neutrons. what is the atomic number with steps​

Respuesta :

farhan36511 farhan36511
  • 04-06-2021

Answer:

39

Explanation:

add em up

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abuhuryrah1234
abuhuryrah1234 abuhuryrah1234
  • 04-06-2021

Answer:

It's 39 I hope it is correct answer

Explanation:

HAVE A NICE DAY

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