Yes, it is an adverb, the adverb form of the adjective usual. It means typically, ordinarily, or commonly.
Yes. Or usual and unusual; rare and common.
Synonyms for usual might be normal, commonplace, standard.
Usually
Usually
7 is the atomic number for nitrogen.
Its super hot, it's made of hot and nitrogyen
The usual state of a covalent compound (at room temperature) is liquid.
the usual state of both hydrogen and nitrogen are gas.
The usual state of oxygen and hydrogen: they are gases at room temperature.
The usual term for State legislators is to serve either two-years or four-years.
The usual state of oxygen and hydrogen: they are gases at room temperature.
The word "usual" can be both an adjective or a noun, where the usual condition or status is unspecified (the usual).Other nouns for usual are usualness (state of normality) and the rarely-used usuality.
Oxygen is a gas.
I am sure it is in a solid state.
Thorium is a solid metal.
The usual state of nitrogen balance for healthy infants children and pregnant women is positive.