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What is a molecular formula?
The molecular formula specifies the actual number of atoms of each element in a molecule.
Which modeling method only gives information about the number and identity of atoms in a molecule?
The molecular formula provides information about the number and type of atoms in a molecule. This formula gives the actual number of each type of atom in a molecule but does not provide information on the arrangement or connectivity of the atoms within the molecule.
What type of formula is based on the actual number of atoms that comprise a molecule of that compound?
This is called an empirical formula.
What information is given by a molecular formula?
the empirical formula and the molar mass
What does a molecular formula give?
The actual number of atoms in a molecule
Which best describes an empirical formula?
An empirical formula represents the simplest whole-number ratio of elements in a compound. It does not provide the actual number of atoms of each element in a molecule, but it gives the relative proportion of each element present.
Shows the number and type of atoms present in the smallest representative unit of a substance?
The smallest representative unit of a substance is called a molecule. The number and type of atoms present in a molecule are determined by the chemical formula of the substance. The chemical formula provides information on the number and type of each element present in the molecule.
What does a subscript indicate in a formula?
The number of atoms of the same element in the molecule
The empirical formula is always the accepted formula for what?
The lowest whole-number ratio of atoms in a molecule
What is the total number of atoms in the molecule?
there are 9 atoms in a molecule of ethanol. its molecular formula is : CH3, CH2, OH
The empirical formula may not represent the actual composition of a?
compound accurately because it only gives the simplest whole number ratio of elements in a compound. It does not provide information about the actual number of atoms or the arrangement of atoms in the molecule.
A chemical formula used to show the number and types of atoms present in a molecule is referred to as what?
A chemical formula that shows the number and types of atoms in a molecule is known as a molecular formula. Molecular formulas are written by writing the symbol for each element followed by a subscript to show the actual number of atoms in the molecule.
