elainastill04 elainastill04

28-09-2020
Chemistry

contestada

An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this electron

Respuesta :

28-09-2020

Answer:

10 Neutrons

Explanation:

Atomic Mass = # of Protons + # of Neutrons

Atomic Number = # of Protons in nucleus and what element

20 = 10 protons + x # of neutrons

10 = x # of protons

Answer Link

hamburgerfood2 hamburgerfood2

28-09-2020

Answer:

n = A - Z

n = 20 - 10

n = 10

Answer Link

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