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

User Bertrand Renuart
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1 Answer

17 votes
17 votes

Answer:

Atomic mass formula is=neutron+proton

Answer is11

Step-by-step explanation:

Atomic mass=proton+neutron

=4+5

=11

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User Tassones
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