Without calculation what is the approximate atomic mass of neon

20 u

You can’t do this without some calculation.

The easiest way is to argue that most atoms of neon have 10 protons and 10 neutrons.

Each proton and neutron has a mass of about 1 u, so the approximate atomic mass of neon is 20 u.

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.