Answer | Crossword Clue |
---|---|
phosphoric | Of phosphorus with a valence of five |
phosphorous | Of phosphorus with a valence of three |
pentavalent | Having a valence of five |
pentavalent | having a valence of five |
pentoxide | an oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide |
pentoxides | PENTOXIDE, an oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide |