Answer:
arsenic
Explanation:
nitrogen=155pm
phosphorus=195pm
arsenic =between 38 μm and 25 mm
The answer is 35.4335
Hope this helped! (Plz mark me brainliest!)
The majority of the mass of the atom is located in the nucleus. Remember that the nucleus contains both protons and neutrons and therefore, most of the mass of the atom.
I needed to use good precision in my measurement for my chemistry lab