Phosphorus
Atomic No:
15
Name:
Phosphorus  ['fɔsfərəs]
Formula:
P
Molar Mass:
30.9738

Phosphorus element has 15 protons, 16 neutrons and 15 electrons. It is solid at room temperature, with white or red color and much different physical properties. The 32P isotope is widely used in biology field as DNA or RNA probes.

» Common Phosphorus compounds:
• Diphosphorus Pentoxide, P2O5
• Phosphine, PH3
• Phosphorus Trichloride, PCl3
• Phosphoric Acid, H3PO4
• Phosphorous Acid, H3PO3
• Hypophosphorous Acid, H3PO2


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