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What are formulas for a covalent compounds called?
Formulas for covalent compounds are called molecular formulas. They show the types and numbers of atoms in a molecule.
How are compounds and formulas related?
All chemical compounds will have a chemical formula. For instance, the calcium chloride has formula CaCl2. Elements, on the other hand, have chemical symbols. Chemical reactions can be represented by chemical equations.
What is the composition of inorganic compounds?
the composition varies from one compound to another
What cannot possibly have a variable composition?
Nonstoichiometric compounds have a variable composition.
Which compounds are simply chemical compounds that contain carbon in their molecular formulas?
Organic Compounds.
How are prefixes in names of compounds like subscripts in formulas?
Prefixes in compound names are used to indicate the number of each element present, similar to how subscripts in chemical formulas specify the quantity of each element in a molecule. Both prefixes and subscripts help provide important information about the composition of compounds in a clear and concise manner.
It is true for all compounds Composition of ionic compounds Which is NOT true of compounds Which is?
The statement that all compounds have a composition of ionic compounds is false. Many compounds can be covalent in nature, where atoms share electrons instead of transferring them. On the other hand, it is true that compounds have a definite composition with fixed ratios of elements and compounds are formed by the bonding of two or more different elements.
What is the purpose of assigning a symbol to represent each element?
Assigning a symbol to represent each element allows for a more concise and universal way of referring to elements in the periodic table. It also simplifies chemical formulas and equations, making it easier to communicate and understand the composition of compounds.
Do all compounds have chemical formulas?
Yes, all compounds are molecules, but not all molecules are compounds
If Law of constant composition true for all types of compounds?
No,Law of constant composition is valid only for compounds made from the specified isotopes of the element.
Why dont compounds differ from mixtures?
Compounds differ from mixtures because compounds have a fixed chemical composition with elements chemically bonded in a specific ratio, while mixtures can vary in composition with no fixed ratio. Compounds have specific properties different from their constituent elements, while mixtures retain the properties of their components.
Is the law of definite composition applicable to compounds only?
This law is not valid for all chemical compounds (ex. nonstoichiometric compounds).
