Heptad, Heptarchy, Heptapod, Heptathlon, Heptagonal, Heptameter. Sorry, but I don't have any words with septa in it.
5 (penta = 5, hexa = 6, hepta = 7, octo = 8...)
It's called a heptagon. Hepta being the greek word meaning 7.
A heptagon is a polygon with seven sides. The word originated from the Greek prefix "hepta" which refers to the number seven.
Greek meaning seven sidesStrictly speaking, it comes from the Greek prefix hepta- = seven and the Greek suffix -gon = corner (or vertex), not side.
6 and 7 respectively
Both the French word "sept" and the Greek word "hepta" mean the number seven.
The Greek combining form hepta- means "seven."
The Greek prefix for 7 is "hepta-" (แผฯฯฮฌ-).
The correct chemical formula for hepta boron triiodide is B7I3.
Some words that start with "hepta" include heptagon, heptane, and heptahedron.
a heptagon, because hepta means seven and gon mean sided ... so a heptagon
Heptagon
Hepta
The formula for diphosphorus hepta chloride is P2Cl7. It is composed of two phosphorus atoms and seven chlorine atoms.
5 = penta 6 = hexa 7 = hepta 8 = octa 9 = nona 10 = deca
The Greek prefixes for 3, 5, and 7 are "tri-", "penta-", and "hepta-" respectively.