6 and 7 respectively
hexa = six
hepta = seven
5 = penta 6 = hexa 7 = hepta 8 = octa 9 = nona 10 = deca
Hepta- is for seven.
mono-1 di-2 tri-3 tetra-4 penta-5 hexa-6 hepta-7 octa-8 nano-9 deca-10
Hydrates of Fe(II)SO4 can be: mono, penta, hexa and hepta.
The prefix tells you how many carbons are in the principal chain of the molecule. the prefixes for 1-10, in order, are:meth, eth, prop, but (pronounced like butte), penta, hexa. hepta, octa, nona, deca. The prefix tells you how many carbons are in the principal chain of the molecule. the prefixes for 1-10, in order, are:meth, eth, prop, but (pronounced like butte), penta, hexa. hepta, octa, nona, deca.
5 (penta = 5, hexa = 6, hepta = 7, octo = 8...)
HexagonHexadHexagramHexadicHexagonalAll of the above mean "six of something"HexahedronHexahedraAll of the above mean a "six sided shape"
The Greek prefixes for 3, 5, and 7 are "tri-", "penta-", and "hepta-" respectively.
"Hepta" means "seven", just like "hexa" means "six" etc...
The classical Latin and Greek languages are the sources of the prefixes 'octa-', 'hexa-', and 'penta-'. The prefixes respectively mean 'eight', 'six', and 'five'. They come into English by way of the Latin of the ancient Romans and by way of the even earlier Greek of the ancient Greeks.
The classical Latin and Greek languages are the sources of the prefixes 'octa-', 'hexa-', and 'penta-'. The prefixes respectively mean 'eight', 'six', and 'five'. They come into English by way of the Latin of the ancient Romans and by way of the even earlier Greek of the ancient Greeks.
The number of atoms of that element. The prefixes are greek in origin so it helps if you studied classical greek - like i did- but just in case you didn't mono- one di - two tri- three tetra - four penta - five hexa - six hepta - seven octa - eight nona- nine deca - ten eicosa- 20