Respuesta :
In this element, 18 number of protons or electrons are present whereas, 22 number of neutrons are also present in that element.
How many of each subatomic particle does it have?
There are 40 subatomic particles are present in the element that has an atomic number of 18 and an atomic mass of 39.95 because both atomic number and mass number provide information about number of protons, or electrons and neutrons in that element.
So we can conclude that in this element, 18 number of protons or electrons are present whereas, 22 number of neutrons are also present in that element.
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