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Give an example of the chemical formula of a compound What does this example tell you about the compound?
The formula of a compound called methane is CH4. This formula shows, among many other things, that there are four times as many hydrogen atoms as carbon atoms in methane and that each molecule contains 5 total atoms.
How do you tell how many elements are in a compound formula?
A chemical formula will always tell you how many of each element is in a particular formula. For example glucose (C6H12O6) contains six carbons, twelve hydrogens and 6 oxygens. All together this is three elements, and 24 atoms. Try water..the chemical formula is H2O. So it contains two hydrogen atoms, and one oxygen atom. This is two elements, but three atoms. I hope this helped!
What two things does a chemical formula tell us about a compound?
the actual number of atoms in a molecule
What is the chemical compound A2SO4?
The chemical compound A2SO4 is likely aluminum sulfate, which has the chemical formula Al2(SO4)3. It is commonly used in water treatment processes, as a flocculating agent, and in the manufacturing of paper.
How can you tell that substance compound by looking at its formula?
A chemical substance is any element or compound with a constant composition. Its characteristics include various types of physical and chemical properties, including density, melting point, electrical conductivity, components (atoms, molecules, formula unit), physical state under certain conditions, flammability, among many others.
What does a chemical compound formula tell you?
It tells what elements are present in a molecule and how many atoms of each element are present.
What is the difference between a symbol and a formula?
A chemical symbol is just an abbreviation of that chemical's name while a formula will tell you how many of each different element are in a specific chemical compound.
When ice melts why can you tell there is not a chemical change?
Melting is not a chemical change because the chemical formula of water remain unchanged.
What does the chemical formula for a molecule tell you?
What and how many elements it's composed of
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.
In the chemical formula for magnesium chloride what is the number 2 called and what does it tell you?
subscript
Does a chemical formula tell you how many atoms of an element are in a unit of a compound?
yes it does
How do you tell the difference between water and acetic acid?
Water has the chemical formula H2O. Acetic acid has the formula CH3COOH.
How do you tell if an ionic compound has more than one ion?
You have to look carefully to the chemical formula.
What does the formula of ammonia tell you?
The formula of ammonia (NH3) tells you the elemental composition of the compound, indicating that it contains one nitrogen atom and three hydrogen atoms. It also gives you information about the ratio of atoms in the molecule, allowing you to predict its chemical properties and reactions.
How many H atoms are present in a chemical formula?
By looking at an actual chemical formula for a compound, we could tell you how many hydrogen atoms there are per molecule (or at least per formula unit) of that compound.Without the specific chemical formula, we can't. So the question is meaningless ... how many hydrogen atoms are present in a chemical formula depends on what the chemical formula is.
What does a formula tell you?
Chemical formulas are used to represent chemical compounds. It shows the component elements of the compound. Also it shows the ratios of the component elements.
