Its Just the same,dugh!,Its Still Formula
A formula that contains more than one atom.
The plural 's' at the end means there are more than one. If there are more than one there can be no single formula.
A formula or an expression.
No, it is not. A function can only have one output per input. (If it has more than one, it is still maths, but it cannot be called a "function". It would probably be called an equation or a formula etc...).
You can say Formulas or Formulae.
well there is more than one!
Molecular Formula of SOAPSTONE : 3MgO-4SiO2-H2O
Yes it can.
Yes.
A person who can speak more than one language is called a polyglot.
It can be called a formula.
Oxen *is* the plural -- more than one ox.