xsarahmccarthyx xsarahmccarthyx

03-11-2020
Chemistry

contestada

An neutral atom has 40 protons and 10 neutrons what is the mass number

Respuesta :

quhana09 quhana09

03-11-2020

Answer:

50

Explanation:

40-10 = 30…...…............

Answer Link

eekram512 eekram512

03-11-2020

Answer:

60

Explanation:

mass number=proton+neutron

=40+10

mass number=50

Answer Link

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