Table of Contents
- 1 What are the rules in naming compounds?
- 2 What does a compounds name tell you?
- 3 How do you name compounds with 3 elements?
- 4 How do you name a compound with 3 elements?
- 5 Can 2 metals form a compound?
- 6 What is formed when you combine two or more substances together?
- 7 Do you have to memorize the names of organic compounds?
- 8 How to name a compound with more than two elements?
What are the rules in naming compounds?
When naming molecular compounds prefixes are used to dictate the number of a given element present in the compound. ” mono-” indicates one, “di-” indicates two, “tri-” is three, “tetra-” is four, “penta-” is five, and “hexa-” is six, “hepta-” is seven, “octo-” is eight, “nona-” is nine, and “deca” is ten.
What does a compounds name tell you?
Sometimes the name of the compound gives information about the formula of that compound. Names of these compounds have prefixes that give the number of atoms of certain elements in each molecule. For example, carbon monoxide contains one carbon atom joined to one oxygen atom, so it has the formula CO.
What do you get when you combine compounds?
When two distinct elements are chemically combined—i.e., chemical bonds form between their atoms—the result is called a chemical compound. Most elements on Earth bond with other elements to form chemical compounds, such as sodium (Na) and Chloride (Cl), which combine to form table salt (NaCl).
How do you name compounds with 3 elements?
If the compound contains three elements one of which is oxygen then the compound name will end in –ate or –ite, eg Calcium carbonate contains calcium, carbon and oxygen….Rule three.
| Prefix | Number of atoms |
|---|---|
| Tri- | Three |
| Tetra- | Four |
| Penta- | Five |
| Hexa- | Six |
How do you name a compound with 3 elements?
What is a compound with 3 elements called?
Naming covalent compounds with three elements follows these similar rules. For example, lithium hydrogen phosphate contains three elements: lithium, which is a cation, and hydrogen phosphate. Therefore its name is Li4HPO4. Likewise, Na2SO4 refers to sodium sulfate.
Can 2 metals form a compound?
Although there definitely is such a thing as metallic bonding, when we combine two or more metals, the result is a mixture. This means that there is no definite proportion to the combination, the way there is for a compound. This cannot be done with a compound.
What is formed when you combine two or more substances together?
According to definition of compounds, two or more elements combine together chemical to form a new substance called compound. Compounds are commonly termed as chemical compounds.
Do you use numerical prefixes when naming compounds?
Do not use numerical prefixes such as mono-, di-, tri-, etc. when naming ionic compounds — those are only used in naming covalent molecular compounds. The main trick to writing formulas from the names is to recall what is the charge on the cation and on the anion.
Do you have to memorize the names of organic compounds?
In order to name organic compounds you must first memorize a few basic names. These names are listed within the discussion of naming alkanes. In general, the base part of the name reflects the number of carbons in what you have assigned to be the parent chain.
How to name a compound with more than two elements?
Naming covalent molecular compounds: Left then right, use prefixes. First name the element that is leftmost on the periodic table. Use just the element name. If both elements are in the same column (e.g. sulfur and oxygen), name the lower one first.
Which is the correct way to name a molecular compound?
Rules for Naming Molecular Compounds: Remove the ending of the second element, and add “ide” just like in ionic compounds. When naming molecular compounds prefixes are used to dictate the number of a given element present in the compound. If there is only one of the first element, you can drop the prefix.