deivionbuck056oupeie deivionbuck056oupeie

23-11-2020
Chemistry

contestada

can you help me please

can you help me please class=

Respuesta :

ldk9992 ldk9992

23-11-2020

Answer:

N- 7 protons, 14 mass number

Ca- 20 protons, 20 neutrons, 20 electrons

I- 53 protons, 127 mass number

Cr- Cr, 12 neutrons

Br- 34 protons, 35 electrons, 79 atomic mass

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mirissabrown28 mirissabrown28

23-11-2020

that person is correct

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