Contents
Naming molecules in chemistry
| Number | Prefix |
|---|---|
| 7 | Hepta- |
| 8 | Octa- |
| 9 | Nona- |
| 10 | Deca- |
What is a prefix name in chemistry?
Using Prefixes to Name Compounds
What is the 4 prefix in chemistry?
EXTENSION OF RULES A-1.1 AND A-2.5 CONCERNING NUMERICAL TERMS USED IN ORGANIC CHEMICAL NOMENCLATURE
| 1 | mono- or hen-* | hecta- |
|---|---|---|
| 3 | tri- | tricta- |
| 4 | tetra- | tetracta- |
| 5 | penta- | pentacta- |
| 6 | hexa- | hexacta- |
What numerical prefixes are used in chemistry?
Examples: H2AsO4– = dihydrogen arsenate ion.
What are the 12 prefixes in chemistry?
MAIN Prefixes for Gen-Chem
| prefix name | symbol | multiplier |
|---|---|---|
| kilo- | k | × 103 |
| micro- | µ | × 10-6 |
| nano- | n | × 10-9 |
| pico- | p | × 10-12 |
How do you memorize the prefixes in chemistry?
SUPER EASY way to remember SI Prefixes | Must Watch! – Dr K
Why are prefixes used in chemistry?
Molecular compounds can form compounds with different ratios of their elements, so prefixes are used to specify the numbers of atoms of each element in a molecule of the compound.
What is the prefix for 11 in chemistry?
Meth
| Number of carbons | 1 | 11 |
|---|---|---|
| Prefix | Meth | Undec |
What is the prefix for 1 carbon?
What is the prefix for 1 carbon?
| Number of Carbons | Prefix | Structure |
|---|---|---|
| 1 | Methane | CH4 |
| 2 | Ethane | CH3CH3 |
| 3 | Propane | CH3CH2CH3 |
| 4 | Butane | CH3(CH2)2CH3 |
Does hexa mean 6?
Hexa- comes from the Greek héx, meaning “six.” The Latin for “six” is sex, source of the combining forms sex- and sexi-, which you can learn more about at our Words That Use articles for the terms.
What is the prefix for 7?
hepta-
| prefix | number indicated |
|---|---|
| penta- | 5 |
| hexa- | 6 |
| hepta- | 7 |
| octa- | 8 |
How many is hexa?
6
| Number | Multiplier |
|---|---|
| 5 | penta- |
| 6 | hexa- |
| 7 | hepta- |
| 8 | octa- |
What is the prefix for 19?
novemdeca = 19. viginti = 20. unviginti…novemviginti = 21…29. triginti = 30.
What prefix is Tetra?
Tetra- is a combining form used like a prefix meaning “four.” It is used in a great many scientific and other technical terms. In chemistry, tetra- is specifically used to indicate four atoms or four groups of atoms in compounds, e.g., tetrachloride.
What are the suffixes in chemistry?
Most of them end in “-ate” or “-ite”. There are a few exceptions that end in “-ide” including hydroxide, peroxide, and cyanide. Hydro acids use the prefix “hydro-” and the suffix “-ic”. Oxoacids containing oxygen use the “-ous” or the “-ic” suffix.
What is the prefix for 18?
Prefixes for Decimal Multiples and Submultiples
| Multiple | Name | Abbreviation |
|---|---|---|
| 10+24 | yotta | y |
| 10+21 | zetta | z |
| 10+18 | exa | a |
| 10+15 | peta | f |
What is the prefix for 10 12?
pico
| Multiple | Amount | Prefix |
|---|---|---|
| 10-9 | 1 thousandth of a millionth | nano |
| 10-12 | 1 millionth of a millionth | pico |
| 10-15 | 1 thousandth of a millionth of a millionth | femto |
| 10-18 | 1 millionth of a millionth of a millionth | atto |
What is prefix milli?
a combining form meaning “thousand” (millipede): in the metric system, used in the names of units equal to one thousandth of the given base unit (millimeter).
Is kilo a prefix?
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 is prefix mega?
Mega- is a combining form used like a prefix meaning “large, great, grand, abnormally large.” It is used in many scientific and medical terms. In science, mega- is specifically used as a prefix in units of measure equaling a factor of “one million.” It’s abbreviation is M.
How do you remember the 7 SI units?
So, here goes, the mnemonic I created for the 12 prefixes in sequence:
- Tera – The.
- Giga – Great.
- Mega – Man.
- kilo – king.
- hecto – henry’s.
- deca – daughter.
- BASE – Beth.
- deci – drinks.
What is the prefix for 15?
femto f
| Prefix | Symbol | Meaning |
|---|---|---|
| nano | n | 10-9 |
| pico | p | 10-12 |
| femto | f | 10-15 |
| atto | a | 10-18 |
What is ETH in chemistry?
Prefix. eth- (organic chemistry) Used as a combining form to denote the presence of 2 carbon atoms in the parent chain when forming names of organic compounds.
What are the prefixes for alkanes?
The “-ane” signifies that this is a carbon chain with only single bonds, or a saturated carbon chain. For example, a saturated carbon chain with six carbons would have the prefix “hex” added onto “-ane.” This chain would be called hexane.3.1 Naming Alkanes.
| # of Carbons | Prefix |
|---|---|
| 3 | Prop |
| 4 | But |
| 5 | Pent |
| 6 | Hex |
What is the prefix for 4 carbons?
Prefixes
| prefix | number of carbons | alkyl group |
|---|---|---|
| eth- | 2 | ethyl |
| prop- | 3 | propyl |
| but- | 4 | butyl |
| pent- | 5 | pentyl |