Question

How many protons are in an element with an atomic number of 8 and a mass number of 18

Answer 1

The answer is 8 protons hope this helps. 

Answer 2

There are 8 protons in an element with an atomic number of 8. The atomic number is equivalent to both the number of protons and electrons. Keep in mind that all elements on the periodic table are neutral, so they will have an equal number of protons and electrons.