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The atomic number.

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Q: What is a number in a chemical formula that tells the number of atoms in a molecule called?
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Related questions

Why is the chemical symbol of a molecule of a compound also called the chemical formula of the compound?

The chemical formula of a compound states the number and types of atoms in each molecule of a compound.


What is a number placed in front of a chemical formula in a chemical equation called?

Coefficient. It generally corresponds to the number of moles of the molecule / atom under consideration.


A number that is lower and smaller than the letter symbols in a chemical formula that shows how how atoms of a substance are in a molecule is called?

coefficent


What is a combination of symbols and numbers that describes a molecule?

A combination of chemical symbols that show what elements make up a compound and the number of atoms of each element in the smallest unit of the compound is a chemical formula.


What do chemical formulas tell you the number of?

A chemical formula tells you the number of each type of atom in the molecule or structure.


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.


A number that is lower and smaller than the letter symbols in a chemical formula that shows how many atoms of a substance are in a molecule is called?

coefficent


A number that is lower and smaller than the letter symbols in a chemical formula that shows how many atoms of a substance are in a molecule is called a?

coefficent


Which best describes an empirical formula?

the lowest whole number ratio of elements in a compound A+


What part of the chemical formula indicates the number of molecule or atom involved?

coefficients


What does subscript indicate in a chemical formula?

The number of atoms of the same element in the molecule


What is a molecule how do scientists show the chemical composition of molecules give an example?

A molecule is the smallest unit of most chemical compounds. Scientists use a kind of shorthand called a chemical formula that shows the type and number of elements in a molecule. For example, a water molecule is written as H2O, which means there are 2 atoms of Hydrogen and 1 atom of Oxygen.