The molecular formula is the formula of a discrete (single) molecule of the substance.
The formula unit is generally defined in the same way as the empirical formula, which is the simplest whole number ratio of the elements
Chemical formula includes both molecular and formula units.
Examples:-
Benzene a molecule consisting of a ring of 6 carbon atoms each with a hydrogen attached:-
NaCl is ionic so you cannot write a molecular formula you express the compound simply as the formula unit (empirical formula)- in its simplest case NaCl (never Na2Cl2 or some such)
How can you tell whether a formula is molecular formula or a formula unit. Well if the formula could be "simplified" like benzene C6H6 could be simplified to CH then you know its a molecular formula. Something like SO2 and TiO2, well you need to be told. (SO2 is molecular, TiO2 is ionic)
CCl4 is molecular formula.
Because there are no compounds that aren't molecules/molecular. The question as posed is nonsense. Rephrase?
What you write for an ionic compound is called the formula unit, but the formula unit is almost always the same as the empirical formula. The answer to your question could not be the molecular formula because an ionic compound is not a molecule.
Compounds having this molecular formula are organic compounds.
A formula unit.
For ionic compounds the correct term is formula unit, not molecule.
CaCl2 is a formula unit because it represents the simplest ratio of ions in a compound made up of a metal cation (Ca2+) and a nonmetal anion (Cl-). Formula units are used for ionic compounds, while molecular formulas are used for covalent compounds.
The formula unit of a compound represents the simplest whole number ratio of elements in the compound. This can be determined by looking at the molecular formula of the compound or by performing chemical analysis to find the empirical formula. The formula unit is used in ionic compounds, while the molecular formula is used for covalent compounds.
K2Cr2O7 is a formula unit because it represents the simplest whole-number ratio of ions in the compound potassium dichromate. Formula units are used for ionic compounds, while molecules are used for covalent compounds.
The term formula mass is generally defined as the mass of a unit cell in an ionic compound. Molecular compounds are just defined in terms of molecular mass.
CCl4 is molecular formula.
Because there are no compounds that aren't molecules/molecular. The question as posed is nonsense. Rephrase?
molecular formula
A formula unit.
it is not a molecule
Ammonia and nitrogen are two distinct compounds, not a single compound that would have a molecular formula.
Isomers.