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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.
Which is not true about the chemical formula of a substances?
which is not true about the chemical formula of a sbstance? a.it gives the number and kinds of atoms present. b.it shows that a substance has a definite compound. c.it shows the elements present in the compound. d.it shows the phase of a substance.
What is the substance present at the start of a reaction?
The substance present at the start of a chemical reaction is called a reactant. Reactants are the starting materials that undergo chemical changes to form products during a reaction.
How many atoms of carbon are present in a molecule of carbon tetrafluoride?
A carbon tetrafluoride molecule has one carbon atom and four fluorine atoms.
Where does a subscript that indicates the number of atoms appear?
A subscript that indicates the number of atoms typically appears to the lower right of the chemical symbol in a chemical formula. It represents the number of atoms of that element present in the compound.
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.
A chemical or tool that indicates a substance is present is called an?
This is a method of analytical chemistry.
What does a chemical formula of a substance tell us?
It tells what elements are present in a molecule and how many atoms of each element are present.
What does a chemical formula communicate?
A chemical formula shows the composition of a substance. It shows the elements present and their relative numbers. There are several types of formula which give specific types of information, but that's the basics.
Which is not true about the chemical formula of a substances?
which is not true about the chemical formula of a sbstance? a.it gives the number and kinds of atoms present. b.it shows that a substance has a definite compound. c.it shows the elements present in the compound. d.it shows the phase of a substance.
What does the term "mole" mean in a chemical formula?
In a chemical formula, the term "mole" represents a unit of measurement that indicates the amount of a substance present. It is used to quantify the number of atoms, molecules, or ions in a sample of a substance.
What type of number after a chemical symbol tells how many atoms are in a single molecule?
The subscript, the little number below and after the element, tells how many atoms are in a single molecule.
What does the subscript 2 show in this chemical equation?
The subscript 2 in a chemical equation typically indicates that there are two atoms of that element present in the compound or molecule. It represents the stoichiometry of that element within the compound.
Is glucose a pure substances?
Yes, glucose is considered a pure substance because it has a consistent and definite chemical composition, with only one type of molecule present.
What part of the chemical formula indicates the number or molecules or atoms involved?
coefficients
What type of number after a chemical symbols tells how many atoms of that element are in single molecules?
The subscript number after a chemical symbol indicates how many atoms of that element are present in a single molecule of the compound.
What a chemical formula do?
It shows the chemical makeup of a substance using the chemical symbols of the elements in that substance. Hydrochloric Acid is made up of Hydrogen and Chlorine, expressed at HCl. Water is made up of 2 hydrogen atoms and an oxygen, expressed as H2O
