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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.
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.
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.
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.
How do you express Fe as an integer?
To express the iron (Fe) as an integer, you typically refer to its atomic number, which is 26. This number represents the number of protons in an atom of iron. In chemical formulas, you can also express the oxidation states of iron, such as +2 or +3, which can be considered integer values representing its charge in compounds.
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.
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.
Can an element be represented as a chemical formula?
Yes, an element can be represented as a chemical formula. Each element is identified by a unique chemical symbol, such as "H" for hydrogen or "O" for oxygen. Chemical formulas are used to represent the composition of compounds, which are combinations of elements.
