Saliva moistens ingested food and it become a slick semisolid material called

The answer to this question would be: bolus

The food that chewed by the teeth will become semisolid and mixed the saliva, called bolus. Bolus will be ingested and sent to the gaster/stomach. In the stomach, the bolus will be digested again with the gastric juice and the gaster movement. After about 2 hours, the food will be passed into the intestine. 

Aneutral atom must have the same number of neutrons and protons? no, they must have the same number of protons and electrons