Name Origin Greek: phosphoros, (bringer of light). Periodic table starts at top left ( Atomic number 1) and ends at bottom right (atomic number 118). State at 20 °C solid Discovery Discovered By: Hennig Brand Year: 1669 Location: Germany … Like other elements in the nitrogen group, a peculiarity of the structure of phosphorus causes it to make very strong bonds with other elements. A multivalent nonmetal of the nitrogen group, phosphorus is commonly found in inorganic phosphate rocks.. Due to its high reactivity, phosphorus is never found as a free element in nature. Atomic number of Phosphorus is 15. The atomic number of phosphorus is 15, placing it among the lighter chemical elements, and it is rarely if ever found in a pure form. Therefore you can directly look for atomic number 15 to find Phosphorus on periodic table. Atomic Mass 30,973762 Learn more about the atomic mass. Phosphorus is a non-metallic chemical element and it is a member of group 15 and period 3 in the periodic table. Phosphorus Overview P Group Number 15 Atomic Number 15 Learn more about the atomic number. What are the group numbers and the charge on an ion derived from the following elements? Group 15 Period 3; State at 20C: Solid: Color: Colourless, waxy white, yellow, scarlet, red, violet, black: Electron Configuration [Ne] 3s2 3p3: Electron Number: 15: Proton Number: 15: Electron Shell: 2, 8, 5 : Density: 1.82 g.cm-3 at 20°C: Atomic number: 15: Atomic Mass: 30.97 g.mol -1 : Electronegativity according to Pauling: 2.19: Occurrence. a. sulfur b. aluminum c. phosphorus d. magnesium Phosphorus atoms have five valence electrons. Phosphorus, (IPA: /ˈfɒsfərəs/, Greek: phôs meaning "light", and phoros meaning "bearer"), is the chemical element that has the symbol P and atomic number 15. Phosphorus is identified by the symbol P on the periodic table of elements. Atomic Symbol P Description Soft white waxy phosphorescent solid, brownish-red powder or black solid. Phosphorus (P), nonmetallic chemical element of the nitrogen family (Group 15 [Va] of the periodic table) that at room temperature is a colourless, semitransparent, soft, waxy solid that glows in the dark. You can know this because P is in group 15/VA. Another way to read periodic table and locate an element is by using group number (column) and period number (row).
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