Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid. Phosphorus is classified as an element in the 'Non-Metals' section which can be located in groups 14,15 and 16 of the Periodic Table. read more
At room temperature, phosphorus is a red, white or colorless solid. White phosphorus is poisonous, ignites spontaneously in air and has a waxy texture. Touching it causes burns. read more
Phosphorus is a solid. A highly reactive, poisonous, non-metallic element occurring naturally in phosphates, especially apatite, and existing in three allotropic forms, white (or sometimes yellow), red and black. read more