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 is prefix and example?
A prefix is an affix which is placed before the stem of a word. Adding it to the beginning of one word changes it into another word. For example, when the prefix un- is added to the word happy, it creates the word unhappy.
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-.
What is the prefix for 18?
octodeca = 18. novemdeca = 19. viginti = 20. unvigintinovemviginti = 2129.
What are 5 elements examples?
Carbon, oxygen, hydrogen, gold, silver and iron are examples of elements. Every element consists of just one atom form.
What are 10 elements examples?
Pure Element Examples
Hydrogen (H) – nonmetal.Helium (He) – nonmetal.Oxygen (O) – nonmetal.Neon (Ne) – nonmetal.Nitrogen (N) – nonmetal.Carbon (C) – reactive nonmetal.Silicon (Si) – metalloid.Magnesium (Mg) – alkaline earth metal.
