It is a count noun.
Salt
A compound that is composed of a non-count noun and a count noun is earthquake.The noun earth is a substance, a non-count noun. The noun quake is singular, the plural form is quakes.Some others are:air conditionercornflakedust clothhelpmatehockey puckmilkshakesandboxwaterwheelweatherman
The noun rust is a non-count noun. Units of rust are worded as 'spots of rust' or 'patches of rust'
The noun information is a non-count noun with no plural form. The noun information is an aggregate noun, a wordrepresenting an indefinite number of things.
The noun vocabulary is a count noun; the plural form is vocabularies.
Yes, the noun 'serenity' is a non-count noun, a word or a quality or state of peacefulness.
Yes, the noun 'serenity' is a non-count noun, a word or a quality or state of peacefulness.
The noun peas is the plural form for the singular noun pea, a count noun.
The noun coat is a count noun: one coat, two coats.
The noun humor is a non-count noun; you can count the jokes or the pratfalls but you can't count the humor.
The noun score is a count noun. Example:My score was the highest of all the scores.
The noun earthquake is a count noun. There can be an earthquake or a series of earthquakes.
The noun 'house' is a count noun.A count noun is a noun that has a singular and a plural form.The plural form of the singular noun 'house' is 'houses'.