The first element in the formula is simply listed using the name of the element. The second element is named by taking the stem of the element name and adding the suffix -ide. A system of numerical prefixes is used to specify the number of atoms in a molecule.
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What are the rules for naming formulas?
Rules for Writing Formulas
Ionic Compounds 1. Sum of charges of all ions must equal zero i.e. total negative charge of all anions must cancel the total positive charge of all cations 2. Use subscripts to indicate the presence of more than one ion 3. Polyatomic ions must be in parentheses if subscripts are used.
How are formulas written and named?
To write the formula for a molecular compound, write the symbols for the elements in the order the elements appear in the name.The prefixes appear as subscripts in the formulas. • If there is no prefix for an element in the name, there is only one atom. of that element in the molecule.
What is the correct formula for Na+ and CO3 2?
The correct formula ofa compound that contains Na+ and CO32- ion is: NaCO3 NazC Na(CO3)3 Na2CO3 Na(CO3)2.
What is the name of the compound KF?
Potassium fluoride
Potassium fluoride is the chemical compound with the formula KF.
CHEBI:66872 – potassium fluoride.
| ChEBI Name | potassium fluoride |
|---|---|
| ChEBI ID | CHEBI:66872 |
| Definition | A fluoride salt having K+ as the counterion. |
How do you name each compound?
For binary ionic compounds (ionic compounds that contain only two types of elements), the compounds are named by writing the name of the cation first followed by the name of the anion. For example, KCl, an ionic compound that contains K+ and Cl- ions, is named potassium chloride.
What does Deca mean in chemistry?
EXTENSION OF RULES A-1.1 AND A-2.5 CONCERNING NUMERICAL TERMS USED IN ORGANIC CHEMICAL NOMENCLATURE
| 1 | mono- or hen-* | deca- |
|---|---|---|
| 2 | di- or do-* | icosa-** |
| 3 | tri- | triaconta- |
| 4 | tetra- | tetraconta- |
| 5 | penta- | pentaconta- |
How do you name hydrocarbons?
1. The first part of the name is based on the length of the longest carbon chain in the molecule. 2. The end of the name is given by the number of bonds between carbon atoms.
What is the chemical name of NH4?
AMMONIUM ION
NH4 : Summary
| Code | NH4 |
|---|---|
| Molecule name | AMMONIUM ION |
| Systematic names | Program Version Name ACDLabs 10.04 ammonium OpenEye OEToolkits 1.5.0 azanium |
| Formula | H4 N |
| Formal charge | 1 |
What is the chemical name of SO4?
SULFATE ION
SO4 : Summary
| Code | SO4 |
|---|---|
| Molecule name | SULFATE ION |
| Systematic names | Program Version Name ACDLabs 10.04 sulfate OpenEye OEToolkits 1.5.0 sulfate |
| Formula | O4 S |
| Formal charge | -2 |
How do you name Na2CO3?
Sodium carbonate | Na2CO3 – PubChem.
What is LiI compound name?
Lithium iodide
Details of Product
| Chemical Name | Lithium iodide |
|---|---|
| Chemical Formula | LiI |
| Molecular Weight | 133.8 |
| Property | White powder |
| Specific Gravity | 3.49 |
What is the chemical name of agno3?
SILVER NITRATE
Silver nitrate
| PubChem CID | 24470 |
|---|---|
| Molecular Formula | AgNO3 |
| Synonyms | SILVER NITRATE 7761-88-8 Silvernitrate Silver(1+) nitrate Silver mononitrate More… |
| Molecular Weight | 169.873 |
| Component Compounds | CID 23954 (Silver) CID 944 (Nitric acid) |
How do you name ionic compounds in chemistry?
Ionic compounds are named by stating the cation first, followed by the anion. Positive and negative charges must balance. Some anions have multiple forms and are named accordingly with the use of roman numerals in parentheses. Ternary compounds are composed of three or more elements.
How do you name a chemical compound Iupac?
IUPAC nomenclature is based on naming a molecule’s longest chain of carbons connected by single bonds, whether in a continuous chain or in a ring. All deviations, either multiple bonds or atoms other than carbon and hydrogen, are indicated by prefixes or suffixes according to a specific set of priorities.
How do you name chemical compounds quizlet?
Terms in this set (5)
- Rule 1 (metal + non-metal) name ends with -ide (ex.
- Rule 2 (metal + polyatomic ion) ends with the name of the P.A. ion (ex.
- Rule 3 (transition metal + non-metal) name ends with -ide.
- Rule 4 (transition metal + polyatomic ion) ends with the name of the P.A. ion.
- Rule 5 (non metal + non metal)
What does prefix milli mean?
one-thousandth
In the SI, designations of multiples and subdivision of any unit may be arrived at by combining with the name of the unit the prefixes deka, hecto, and kilo meaning, respectively, 10, 100, and 1000, and deci, centi, and milli, meaning, respectively, one-tenth, one-hundredth, and one-thousandth.
What does hexa mean in chemistry?
six
Hexa- is a combining form used like a prefix meaning “six.” It is used in a great many scientific and other technical terms. In chemistry, hexa- is specifically used to indicate six atoms or six groups of atoms in compounds, e.g., hexachloride.
Why is Tetra 4?
Tetra- ultimately comes from the Greek téttares, meaning “four.” The name of the classic video game Tetris is based in part on this Greek root. Find out the rest of the story of how Tetris got its name here. The Latin word for “four” is quattor, source of the combining forms quadr-, quadra-, quadri-, and quadru-.
How do you name alkenes and alkynes?
Alkenes and alkynes are named by identifying the longest chain that contains the double or triple bond. The chain is numbered to minimize the numbers assigned to the double or triple bond. The suffix of the compound is “-ene” for an alkene or “-yne” for an alkyne.
How do you name cyclic hydrocarbons?
Cyclic hydrocarbons have the prefix “cyclo-“ and have an “-alkane” ending unless there is an alcohol substituent present. When an alcohol substituent is present, the molecule has an “-ol” ending.