Here is your answer:
The amount of electrons that the element Beryllium has is: 4
Reason:
Beryllium atomic number is 4
Therefore the amount of protons and electrons Beryllium has is 4
Your answer is 5.
Hope this helps.
Heat
resources: my brain :)
The reaction stops because one of the inputs has been exhausted.
Sound waves.
Radio waves and Microwaves are non-ionizing radiation. Gamma waves are ionizing radiation