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what is the definition of a molecular formula. Compare with empirical formula structural formula Special kinds of chemical formulas called molecular formulas are used to represent the kinds of atoms and the number of each kind of atom in a molecule. A chemical formula for a compound existing as discrete molecules that gives the total number of atoms of each element in a molecule the molecular formula for water is H2O see structural formula compare empirical formula.
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A chemical formula for a compound existing as discrete molecules that gives the total number of atoms of each element in a molecule the molecular formula for water is H2O see structural formula compare empirical formula. The atoms are depicted by their symbols which are shown in the periodic table. Chemical formula formula- a representation of a substance using symbols for its constituent elements.
The atoms are depicted by their symbols which are shown in the periodic table.
Chemical Formula Definition A chemical formula is a notation used by scientists to show the number and type of atoms present in a molecule using the atomic symbols and numerical subscripts. For example the molecular formula of butene C 4 H 8 shows that each freely existing molecule of butene contains four atoms of carbon and eight atoms of hydrogen. Molecular weight number of carbon atoms C atomic weight number of H atoms H atomic weight so we calculate as follows. The atoms are represented by symbols and the structure is indicated by showing the relative positions of the atoms in space and the bonds between themHCCH is the structural formula of acetylene See also empirical formula molecular formula.
