rosefowler909 rosefowler909

21-03-2021
Chemistry

contestada

An element has 4 protons, 5 neutrons, and 4 electrons. What is the atomic mass of the
4,5,8,9

Respuesta :

kanchanbista104 kanchanbista104

21-03-2021

Answer:

Atomic mass formula is=neutron+proton

Answer is11

Explanation:

Atomic mass=proton+neutron

=4+5

=11

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