The noun 'hydrogen' is a mass noun (an uncountable noun) as a word for a substance.
The noun 'fragrance' is a countnoun, the plural form is fragrances. Example:There are so many fragrances to choose from.
Yes, "substance" can be a countable noun when referring to individual types or instances of substances. For example, you could say "There are five different substances in this mixture."
First, "vitamin C" is two words, not one word. And second, it is not countable. If you were referring to vitamin C tablets, for instance, those would be countable (for instance there might be 100 in a bottle). But "vitamin C" itself can be measured (for example, in milligrams) but not counted.
To find the moles of hydrogen, you can divide the given mass of hydrogen by its molar mass. The molar mass of hydrogen is approximately 1 g/mol. So, moles of hydrogen = mass of hydrogen (in grams) / molar mass of hydrogen (approximately 1 g/mol).
the relative atomic mass for hydrogen is 1.0079 amu.
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
It is countable because the singular or plural can be preceded by a number (one river, three rivers).
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
The noun 'hill' is a countable noun. The plural form is 'hills'.
No, the noun 'coin' is a countnoun, the plural form is coins (one coin, six coins).
The countable nouns are nouns with a singularand a plural form.The uncountable nouns are also called mass nouns.
Electricity is typically treated as a mass noun, as it refers to a general concept or form of energy rather than individual, countable units. You can say "There is a lot of electricity in the air," but not "I have three electricities."
Shark is a countable noun.
No, the noun 'counter' is not a mass noun; the noun 'counter' is a countable noun.Examples:We're installing new kitchen counters.There are electronic counters at the entrance and the exits.
The noun 'fragrance' is a countnoun, the plural form is fragrances. Example:There are so many fragrances to choose from.
The noun 'grammar' is a countable noun as a word for a textbook of rules for language.The noun 'grammar' is an uncountable (mass) noun as a word for the set of rules that describe the structure of a language and control the way that sentences are formed.
The noun 'rain' is a singular, uncountable (mass) noun as a word for water drops falling from clouds; a word for precipitation.The plural noun 'rains' is a plural, uncountable (mass) noun as a word specifically for seasons or periods of rain.