manaralmansoob manaralmansoob

02-01-2020
Chemistry

contestada

Determine the mass number of an element that contains 26 protons, 22 electrons, and 30 neurons

Respuesta :

sarah2071 sarah2071

02-01-2020

Answer:

56 is the mass

Explanation:

You would add 26 and 30(the protons and neutrons). I didn't add the electrons because they are so small their mass is negligible in this situation.

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cassie23558 cassie23558

02-01-2020

Answer:

Mass = 56

Explanation:

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